Home / 1,253,034.72-1,729,188.66-680,074.88

Finding the Fourth Proportional to 1,253,034.72, 1,729,188.66 and 680,074.88

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Solution

The fourth proportional to 1,253,034.72, 1,729,188.66 and 680,074.88 is: 938,503.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,034.72 : 1,729,188.66 = 680,074.88 : x
  2. Step 2: Convert to fraction form
    1,253,034.72/1,729,188.66 = 680,074.88/x
  3. Step 3: Cross multiply
    1,253,034.72x = 1,729,188.66 × 680,074.88
  4. Step 4: Simplify right side
    1,253,034.72x = 1,175,977,761,800.92
  5. Step 5: Solve for x
    x = 1,175,977,761,800.92/1,253,034.72
  6. Step 6: Final answer
    x = 938,503.73

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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.