Home / 1,310,691.52-1,966,508.85-457,888.64

Finding the Fourth Proportional to 1,310,691.52, 1,966,508.85 and 457,888.64

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Solution

The fourth proportional to 1,310,691.52, 1,966,508.85 and 457,888.64 is: 686,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,691.52 : 1,966,508.85 = 457,888.64 : x
  2. Step 2: Convert to fraction form
    1,310,691.52/1,966,508.85 = 457,888.64/x
  3. Step 3: Cross multiply
    1,310,691.52x = 1,966,508.85 × 457,888.64
  4. Step 4: Simplify right side
    1,310,691.52x = 900,442,060,416.33
  5. Step 5: Solve for x
    x = 900,442,060,416.33/1,310,691.52
  6. Step 6: Final answer
    x = 686,997.70

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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.