Home / 1,191,855.30-1,644,794.37-726,736.38

Finding the Fourth Proportional to 1,191,855.30, 1,644,794.37 and 726,736.38

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Solution

The fourth proportional to 1,191,855.30, 1,644,794.37 and 726,736.38 is: 1,002,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,855.30 : 1,644,794.37 = 726,736.38 : x
  2. Step 2: Convert to fraction form
    1,191,855.30/1,644,794.37 = 726,736.38/x
  3. Step 3: Cross multiply
    1,191,855.30x = 1,644,794.37 × 726,736.38
  4. Step 4: Simplify right side
    1,191,855.30x = 1,195,331,906,298.18
  5. Step 5: Solve for x
    x = 1,195,331,906,298.18/1,191,855.30
  6. Step 6: Final answer
    x = 1,002,916.97

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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.