Home / 981,344.80-1,472,017.20-681,191.20

Finding the Fourth Proportional to 981,344.80, 1,472,017.20 and 681,191.20

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Solution

The fourth proportional to 981,344.80, 1,472,017.20 and 681,191.20 is: 1,021,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,344.80 : 1,472,017.20 = 681,191.20 : x
  2. Step 2: Convert to fraction form
    981,344.80/1,472,017.20 = 681,191.20/x
  3. Step 3: Cross multiply
    981,344.80x = 1,472,017.20 × 681,191.20
  4. Step 4: Simplify right side
    981,344.80x = 1,002,725,162,888.64
  5. Step 5: Solve for x
    x = 1,002,725,162,888.64/981,344.80
  6. Step 6: Final answer
    x = 1,021,786.80

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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.