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Finding the Fourth Proportional to 801,391.92, 1,202,126.76 and 660,894

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Solution

The fourth proportional to 801,391.92, 1,202,126.76 and 660,894 is: 991,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,391.92 : 1,202,126.76 = 660,894 : x
  2. Step 2: Convert to fraction form
    801,391.92/1,202,126.76 = 660,894/x
  3. Step 3: Cross multiply
    801,391.92x = 1,202,126.76 × 660,894
  4. Step 4: Simplify right side
    801,391.92x = 794,478,362,923.44
  5. Step 5: Solve for x
    x = 794,478,362,923.44/801,391.92
  6. Step 6: Final answer
    x = 991,373.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.