Home / 981,330.80-1,471,996.20-822,700.40

Finding the Fourth Proportional to 981,330.80, 1,471,996.20 and 822,700.40

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Solution

The fourth proportional to 981,330.80, 1,471,996.20 and 822,700.40 is: 1,234,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,330.80 : 1,471,996.20 = 822,700.40 : x
  2. Step 2: Convert to fraction form
    981,330.80/1,471,996.20 = 822,700.40/x
  3. Step 3: Cross multiply
    981,330.80x = 1,471,996.20 × 822,700.40
  4. Step 4: Simplify right side
    981,330.80x = 1,211,011,862,538.48
  5. Step 5: Solve for x
    x = 1,211,011,862,538.48/981,330.80
  6. Step 6: Final answer
    x = 1,234,050.60

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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.