Home / 752,870.07-1,127,934.97-672,157.47

Finding the Fourth Proportional to 752,870.07, 1,127,934.97 and 672,157.47

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Solution

The fourth proportional to 752,870.07, 1,127,934.97 and 672,157.47 is: 1,007,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,870.07 : 1,127,934.97 = 672,157.47 : x
  2. Step 2: Convert to fraction form
    752,870.07/1,127,934.97 = 672,157.47/x
  3. Step 3: Cross multiply
    752,870.07x = 1,127,934.97 × 672,157.47
  4. Step 4: Simplify right side
    752,870.07x = 758,149,915,759.73
  5. Step 5: Solve for x
    x = 758,149,915,759.73/752,870.07
  6. Step 6: Final answer
    x = 1,007,012.96

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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.