Home / 1,098,028.76-1,647,327.11-643,004.27

Finding the Fourth Proportional to 1,098,028.76, 1,647,327.11 and 643,004.27

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Solution

The fourth proportional to 1,098,028.76, 1,647,327.11 and 643,004.27 is: 964,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,028.76 : 1,647,327.11 = 643,004.27 : x
  2. Step 2: Convert to fraction form
    1,098,028.76/1,647,327.11 = 643,004.27/x
  3. Step 3: Cross multiply
    1,098,028.76x = 1,647,327.11 × 643,004.27
  4. Step 4: Simplify right side
    1,098,028.76x = 1,059,238,366,720.06
  5. Step 5: Solve for x
    x = 1,059,238,366,720.06/1,098,028.76
  6. Step 6: Final answer
    x = 964,672.70

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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.