Home / 1,253,062.48-1,729,227.87-680,102.72

Finding the Fourth Proportional to 1,253,062.48, 1,729,227.87 and 680,102.72

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Solution

The fourth proportional to 1,253,062.48, 1,729,227.87 and 680,102.72 is: 938,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,062.48 : 1,729,227.87 = 680,102.72 : x
  2. Step 2: Convert to fraction form
    1,253,062.48/1,729,227.87 = 680,102.72/x
  3. Step 3: Cross multiply
    1,253,062.48x = 1,729,227.87 × 680,102.72
  4. Step 4: Simplify right side
    1,253,062.48x = 1,176,052,577,886.81
  5. Step 5: Solve for x
    x = 1,176,052,577,886.81/1,253,062.48
  6. Step 6: Final answer
    x = 938,542.65

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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.