Home / 1,138,825.31-1,571,517.24-629,494.88

Finding the Fourth Proportional to 1,138,825.31, 1,571,517.24 and 629,494.88

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Solution

The fourth proportional to 1,138,825.31, 1,571,517.24 and 629,494.88 is: 868,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,825.31 : 1,571,517.24 = 629,494.88 : x
  2. Step 2: Convert to fraction form
    1,138,825.31/1,571,517.24 = 629,494.88/x
  3. Step 3: Cross multiply
    1,138,825.31x = 1,571,517.24 × 629,494.88
  4. Step 4: Simplify right side
    1,138,825.31x = 989,262,048,554.15
  5. Step 5: Solve for x
    x = 989,262,048,554.15/1,138,825.31
  6. Step 6: Final answer
    x = 868,668.83

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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.