Home / 1,069,866.40-1,604,799.60-478,890.40

Finding the Fourth Proportional to 1,069,866.40, 1,604,799.60 and 478,890.40

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Solution

The fourth proportional to 1,069,866.40, 1,604,799.60 and 478,890.40 is: 718,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,866.40 : 1,604,799.60 = 478,890.40 : x
  2. Step 2: Convert to fraction form
    1,069,866.40/1,604,799.60 = 478,890.40/x
  3. Step 3: Cross multiply
    1,069,866.40x = 1,604,799.60 × 478,890.40
  4. Step 4: Simplify right side
    1,069,866.40x = 768,523,122,363.84
  5. Step 5: Solve for x
    x = 768,523,122,363.84/1,069,866.40
  6. Step 6: Final answer
    x = 718,335.60

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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.