Home / 1,069,421.60-1,604,132.40-359,213.60

Finding the Fourth Proportional to 1,069,421.60, 1,604,132.40 and 359,213.60

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Solution

The fourth proportional to 1,069,421.60, 1,604,132.40 and 359,213.60 is: 538,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,421.60 : 1,604,132.40 = 359,213.60 : x
  2. Step 2: Convert to fraction form
    1,069,421.60/1,604,132.40 = 359,213.60/x
  3. Step 3: Cross multiply
    1,069,421.60x = 1,604,132.40 × 359,213.60
  4. Step 4: Simplify right side
    1,069,421.60x = 576,226,174,280.64
  5. Step 5: Solve for x
    x = 576,226,174,280.64/1,069,421.60
  6. Step 6: Final answer
    x = 538,820.40

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,069,422.60, 1,604,133.90 and 359,214.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.