Home / 1,591,721.28-2,387,841.12-469,903.68

Finding the Fourth Proportional to 1,591,721.28, 2,387,841.12 and 469,903.68

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Solution

The fourth proportional to 1,591,721.28, 2,387,841.12 and 469,903.68 is: 704,932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,721.28 : 2,387,841.12 = 469,903.68 : x
  2. Step 2: Convert to fraction form
    1,591,721.28/2,387,841.12 = 469,903.68/x
  3. Step 3: Cross multiply
    1,591,721.28x = 2,387,841.12 × 469,903.68
  4. Step 4: Simplify right side
    1,591,721.28x = 1,122,055,329,543.32
  5. Step 5: Solve for x
    x = 1,122,055,329,543.32/1,591,721.28
  6. Step 6: Final answer
    x = 704,932.04

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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.