Home / 1,159,387.20-1,737,007.20-981,057.60

Finding the Fourth Proportional to 1,159,387.20, 1,737,007.20 and 981,057.60

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Solution

The fourth proportional to 1,159,387.20, 1,737,007.20 and 981,057.60 is: 1,469,831.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,387.20 : 1,737,007.20 = 981,057.60 : x
  2. Step 2: Convert to fraction form
    1,159,387.20/1,737,007.20 = 981,057.60/x
  3. Step 3: Cross multiply
    1,159,387.20x = 1,737,007.20 × 981,057.60
  4. Step 4: Simplify right side
    1,159,387.20x = 1,704,104,114,814.72
  5. Step 5: Solve for x
    x = 1,704,104,114,814.72/1,159,387.20
  6. Step 6: Final answer
    x = 1,469,831.75

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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.