Home / 1,015,531.68-1,514,218.36-987,631.04

Finding the Fourth Proportional to 1,015,531.68, 1,514,218.36 and 987,631.04

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Solution

The fourth proportional to 1,015,531.68, 1,514,218.36 and 987,631.04 is: 1,472,616.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,531.68 : 1,514,218.36 = 987,631.04 : x
  2. Step 2: Convert to fraction form
    1,015,531.68/1,514,218.36 = 987,631.04/x
  3. Step 3: Cross multiply
    1,015,531.68x = 1,514,218.36 × 987,631.04
  4. Step 4: Simplify right side
    1,015,531.68x = 1,495,489,053,673.89
  5. Step 5: Solve for x
    x = 1,495,489,053,673.89/1,015,531.68
  6. Step 6: Final answer
    x = 1,472,616.84

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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.