Home / 1,287,691.38-1,932,808.95-966,727.26

Finding the Fourth Proportional to 1,287,691.38, 1,932,808.95 and 966,727.26

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Solution

The fourth proportional to 1,287,691.38, 1,932,808.95 and 966,727.26 is: 1,451,045.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,691.38 : 1,932,808.95 = 966,727.26 : x
  2. Step 2: Convert to fraction form
    1,287,691.38/1,932,808.95 = 966,727.26/x
  3. Step 3: Cross multiply
    1,287,691.38x = 1,932,808.95 × 966,727.26
  4. Step 4: Simplify right side
    1,287,691.38x = 1,868,499,100,336.98
  5. Step 5: Solve for x
    x = 1,868,499,100,336.98/1,287,691.38
  6. Step 6: Final answer
    x = 1,451,045.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.