Home / 1,375,761.28-1,898,523.92-763,882.44

Finding the Fourth Proportional to 1,375,761.28, 1,898,523.92 and 763,882.44

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Solution

The fourth proportional to 1,375,761.28, 1,898,523.92 and 763,882.44 is: 1,054,142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,761.28 : 1,898,523.92 = 763,882.44 : x
  2. Step 2: Convert to fraction form
    1,375,761.28/1,898,523.92 = 763,882.44/x
  3. Step 3: Cross multiply
    1,375,761.28x = 1,898,523.92 × 763,882.44
  4. Step 4: Simplify right side
    1,375,761.28x = 1,450,249,084,407.96
  5. Step 5: Solve for x
    x = 1,450,249,084,407.96/1,375,761.28
  6. Step 6: Final answer
    x = 1,054,142.97

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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.