Home / 1,489,327.20-2,233,943.24-478,445.04

Finding the Fourth Proportional to 1,489,327.20, 2,233,943.24 and 478,445.04

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Solution

The fourth proportional to 1,489,327.20, 2,233,943.24 and 478,445.04 is: 717,652.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,327.20 : 2,233,943.24 = 478,445.04 : x
  2. Step 2: Convert to fraction form
    1,489,327.20/2,233,943.24 = 478,445.04/x
  3. Step 3: Cross multiply
    1,489,327.20x = 2,233,943.24 × 478,445.04
  4. Step 4: Simplify right side
    1,489,327.20x = 1,068,819,062,819.53
  5. Step 5: Solve for x
    x = 1,068,819,062,819.53/1,489,327.20
  6. Step 6: Final answer
    x = 717,652.28

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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.