Home / 1,027,987.68-1,541,150.16-429,407.28

Finding the Fourth Proportional to 1,027,987.68, 1,541,150.16 and 429,407.28

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Solution

The fourth proportional to 1,027,987.68, 1,541,150.16 and 429,407.28 is: 643,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,987.68 : 1,541,150.16 = 429,407.28 : x
  2. Step 2: Convert to fraction form
    1,027,987.68/1,541,150.16 = 429,407.28/x
  3. Step 3: Cross multiply
    1,027,987.68x = 1,541,150.16 × 429,407.28
  4. Step 4: Simplify right side
    1,027,987.68x = 661,781,098,277.17
  5. Step 5: Solve for x
    x = 661,781,098,277.17/1,027,987.68
  6. Step 6: Final answer
    x = 643,763.65

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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.