Home / 752,869.24-1,123,888.35-645,092.64

Finding the Fourth Proportional to 752,869.24, 1,123,888.35 and 645,092.64

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Solution

The fourth proportional to 752,869.24, 1,123,888.35 and 645,092.64 is: 962,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,869.24 : 1,123,888.35 = 645,092.64 : x
  2. Step 2: Convert to fraction form
    752,869.24/1,123,888.35 = 645,092.64/x
  3. Step 3: Cross multiply
    752,869.24x = 1,123,888.35 × 645,092.64
  4. Step 4: Simplify right side
    752,869.24x = 725,012,102,766.74
  5. Step 5: Solve for x
    x = 725,012,102,766.74/752,869.24
  6. Step 6: Final answer
    x = 962,998.70

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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.