Home / 1,252,951.68-1,729,086.24-679,996.80

Finding the Fourth Proportional to 1,252,951.68, 1,729,086.24 and 679,996.80

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Solution

The fourth proportional to 1,252,951.68, 1,729,086.24 and 679,996.80 is: 938,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,951.68 : 1,729,086.24 = 679,996.80 : x
  2. Step 2: Convert to fraction form
    1,252,951.68/1,729,086.24 = 679,996.80/x
  3. Step 3: Cross multiply
    1,252,951.68x = 1,729,086.24 × 679,996.80
  4. Step 4: Simplify right side
    1,252,951.68x = 1,175,773,110,124.03
  5. Step 5: Solve for x
    x = 1,175,773,110,124.03/1,252,951.68
  6. Step 6: Final answer
    x = 938,402.60

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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.