Home / 1,253,246.76-1,729,498.50-680,288.04

Finding the Fourth Proportional to 1,253,246.76, 1,729,498.50 and 680,288.04

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Solution

The fourth proportional to 1,253,246.76, 1,729,498.50 and 680,288.04 is: 938,807.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,246.76 : 1,729,498.50 = 680,288.04 : x
  2. Step 2: Convert to fraction form
    1,253,246.76/1,729,498.50 = 680,288.04/x
  3. Step 3: Cross multiply
    1,253,246.76x = 1,729,498.50 × 680,288.04
  4. Step 4: Simplify right side
    1,253,246.76x = 1,176,557,144,747.94
  5. Step 5: Solve for x
    x = 1,176,557,144,747.94/1,253,246.76
  6. Step 6: Final answer
    x = 938,807.25

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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.