Home / 1,987,732.25-2,981,659.89-548,440.60

Finding the Fourth Proportional to 1,987,732.25, 2,981,659.89 and 548,440.60

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Solution

The fourth proportional to 1,987,732.25, 2,981,659.89 and 548,440.60 is: 822,677.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,732.25 : 2,981,659.89 = 548,440.60 : x
  2. Step 2: Convert to fraction form
    1,987,732.25/2,981,659.89 = 548,440.60/x
  3. Step 3: Cross multiply
    1,987,732.25x = 2,981,659.89 × 548,440.60
  4. Step 4: Simplify right side
    1,987,732.25x = 1,635,263,329,332.24
  5. Step 5: Solve for x
    x = 1,635,263,329,332.24/1,987,732.25
  6. Step 6: Final answer
    x = 822,677.87

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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.