Home / 1,253,077.47-1,729,248.62-680,117.72

Finding the Fourth Proportional to 1,253,077.47, 1,729,248.62 and 680,117.72

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Solution

The fourth proportional to 1,253,077.47, 1,729,248.62 and 680,117.72 is: 938,563.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,077.47 : 1,729,248.62 = 680,117.72 : x
  2. Step 2: Convert to fraction form
    1,253,077.47/1,729,248.62 = 680,117.72/x
  3. Step 3: Cross multiply
    1,253,077.47x = 1,729,248.62 × 680,117.72
  4. Step 4: Simplify right side
    1,253,077.47x = 1,176,092,616,700.71
  5. Step 5: Solve for x
    x = 1,176,092,616,700.71/1,253,077.47
  6. Step 6: Final answer
    x = 938,563.37

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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.