Home / 1,015,522.29-1,514,204.40-987,621.64

Finding the Fourth Proportional to 1,015,522.29, 1,514,204.40 and 987,621.64

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Solution

The fourth proportional to 1,015,522.29, 1,514,204.40 and 987,621.64 is: 1,472,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,522.29 : 1,514,204.40 = 987,621.64 : x
  2. Step 2: Convert to fraction form
    1,015,522.29/1,514,204.40 = 987,621.64/x
  3. Step 3: Cross multiply
    1,015,522.29x = 1,514,204.40 × 987,621.64
  4. Step 4: Simplify right side
    1,015,522.29x = 1,495,461,032,741.29
  5. Step 5: Solve for x
    x = 1,495,461,032,741.29/1,015,522.29
  6. Step 6: Final answer
    x = 1,472,602.86

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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.