Home / 1,098,049.18-1,647,357.74-643,024.66

Finding the Fourth Proportional to 1,098,049.18, 1,647,357.74 and 643,024.66

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Solution

The fourth proportional to 1,098,049.18, 1,647,357.74 and 643,024.66 is: 964,703.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,049.18 : 1,647,357.74 = 643,024.66 : x
  2. Step 2: Convert to fraction form
    1,098,049.18/1,647,357.74 = 643,024.66/x
  3. Step 3: Cross multiply
    1,098,049.18x = 1,647,357.74 × 643,024.66
  4. Step 4: Simplify right side
    1,098,049.18x = 1,059,291,639,209.96
  5. Step 5: Solve for x
    x = 1,059,291,639,209.96/1,098,049.18
  6. Step 6: Final answer
    x = 964,703.28

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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.