Home / 1,086,425.26-1,499,452.40-627,457.34

Finding the Fourth Proportional to 1,086,425.26, 1,499,452.40 and 627,457.34

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Solution

The fourth proportional to 1,086,425.26, 1,499,452.40 and 627,457.34 is: 865,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,425.26 : 1,499,452.40 = 627,457.34 : x
  2. Step 2: Convert to fraction form
    1,086,425.26/1,499,452.40 = 627,457.34/x
  3. Step 3: Cross multiply
    1,086,425.26x = 1,499,452.40 × 627,457.34
  4. Step 4: Simplify right side
    1,086,425.26x = 940,842,414,360.62
  5. Step 5: Solve for x
    x = 940,842,414,360.62/1,086,425.26
  6. Step 6: Final answer
    x = 865,998.29

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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.