Home / 1,252,837.27-1,728,916.55-679,877.44

Finding the Fourth Proportional to 1,252,837.27, 1,728,916.55 and 679,877.44

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Solution

The fourth proportional to 1,252,837.27, 1,728,916.55 and 679,877.44 is: 938,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,837.27 : 1,728,916.55 = 679,877.44 : x
  2. Step 2: Convert to fraction form
    1,252,837.27/1,728,916.55 = 679,877.44/x
  3. Step 3: Cross multiply
    1,252,837.27x = 1,728,916.55 × 679,877.44
  4. Step 4: Simplify right side
    1,252,837.27x = 1,175,451,358,910.54
  5. Step 5: Solve for x
    x = 1,175,451,358,910.54/1,252,837.27
  6. Step 6: Final answer
    x = 938,231.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.