Home / 1,252,948.92-1,729,070.40-679,988.88

Finding the Fourth Proportional to 1,252,948.92, 1,729,070.40 and 679,988.88

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Solution

The fourth proportional to 1,252,948.92, 1,729,070.40 and 679,988.88 is: 938,385.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,948.92 : 1,729,070.40 = 679,988.88 : x
  2. Step 2: Convert to fraction form
    1,252,948.92/1,729,070.40 = 679,988.88/x
  3. Step 3: Cross multiply
    1,252,948.92x = 1,729,070.40 × 679,988.88
  4. Step 4: Simplify right side
    1,252,948.92x = 1,175,748,644,737.15
  5. Step 5: Solve for x
    x = 1,175,748,644,737.15/1,252,948.92
  6. Step 6: Final answer
    x = 938,385.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.