Home / 1,264,116.64-1,744,469.04-691,150.72

Finding the Fourth Proportional to 1,264,116.64, 1,744,469.04 and 691,150.72

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Solution

The fourth proportional to 1,264,116.64, 1,744,469.04 and 691,150.72 is: 953,781.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,116.64 : 1,744,469.04 = 691,150.72 : x
  2. Step 2: Convert to fraction form
    1,264,116.64/1,744,469.04 = 691,150.72/x
  3. Step 3: Cross multiply
    1,264,116.64x = 1,744,469.04 × 691,150.72
  4. Step 4: Simplify right side
    1,264,116.64x = 1,205,691,033,013.71
  5. Step 5: Solve for x
    x = 1,205,691,033,013.71/1,264,116.64
  6. Step 6: Final answer
    x = 953,781.47

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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.