Home / 1,069,734.80-1,604,602.20-359,688.80

Finding the Fourth Proportional to 1,069,734.80, 1,604,602.20 and 359,688.80

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Solution

The fourth proportional to 1,069,734.80, 1,604,602.20 and 359,688.80 is: 539,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,734.80 : 1,604,602.20 = 359,688.80 : x
  2. Step 2: Convert to fraction form
    1,069,734.80/1,604,602.20 = 359,688.80/x
  3. Step 3: Cross multiply
    1,069,734.80x = 1,604,602.20 × 359,688.80
  4. Step 4: Simplify right side
    1,069,734.80x = 577,157,439,795.36
  5. Step 5: Solve for x
    x = 577,157,439,795.36/1,069,734.80
  6. Step 6: Final answer
    x = 539,533.20

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Double scale
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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.