Home / 1,253,429.38-1,729,753.41-680,469.67

Finding the Fourth Proportional to 1,253,429.38, 1,729,753.41 and 680,469.67

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Solution

The fourth proportional to 1,253,429.38, 1,729,753.41 and 680,469.67 is: 939,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,429.38 : 1,729,753.41 = 680,469.67 : x
  2. Step 2: Convert to fraction form
    1,253,429.38/1,729,753.41 = 680,469.67/x
  3. Step 3: Cross multiply
    1,253,429.38x = 1,729,753.41 × 680,469.67
  4. Step 4: Simplify right side
    1,253,429.38x = 1,177,044,732,084.07
  5. Step 5: Solve for x
    x = 1,177,044,732,084.07/1,253,429.38
  6. Step 6: Final answer
    x = 939,059.47

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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.