Home / 781,663.56-1,163,954.19-752,934.89

Finding the Fourth Proportional to 781,663.56, 1,163,954.19 and 752,934.89

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Solution

The fourth proportional to 781,663.56, 1,163,954.19 and 752,934.89 is: 1,121,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,663.56 : 1,163,954.19 = 752,934.89 : x
  2. Step 2: Convert to fraction form
    781,663.56/1,163,954.19 = 752,934.89/x
  3. Step 3: Cross multiply
    781,663.56x = 1,163,954.19 × 752,934.89
  4. Step 4: Simplify right side
    781,663.56x = 876,381,720,012.69
  5. Step 5: Solve for x
    x = 876,381,720,012.69/781,663.56
  6. Step 6: Final answer
    x = 1,121,175.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.