Home / 1,015,515.17-1,514,193.78-987,614.52

Finding the Fourth Proportional to 1,015,515.17, 1,514,193.78 and 987,614.52

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Solution

The fourth proportional to 1,015,515.17, 1,514,193.78 and 987,614.52 is: 1,472,592.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,515.17 : 1,514,193.78 = 987,614.52 : x
  2. Step 2: Convert to fraction form
    1,015,515.17/1,514,193.78 = 987,614.52/x
  3. Step 3: Cross multiply
    1,015,515.17x = 1,514,193.78 × 987,614.52
  4. Step 4: Simplify right side
    1,015,515.17x = 1,495,439,763,221.69
  5. Step 5: Solve for x
    x = 1,495,439,763,221.69/1,015,515.17
  6. Step 6: Final answer
    x = 1,472,592.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.