Home / 1,252,658.28-1,729,116.72-743,360.64

Finding the Fourth Proportional to 1,252,658.28, 1,729,116.72 and 743,360.64

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Solution

The fourth proportional to 1,252,658.28, 1,729,116.72 and 743,360.64 is: 1,026,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,658.28 : 1,729,116.72 = 743,360.64 : x
  2. Step 2: Convert to fraction form
    1,252,658.28/1,729,116.72 = 743,360.64/x
  3. Step 3: Cross multiply
    1,252,658.28x = 1,729,116.72 × 743,360.64
  4. Step 4: Simplify right side
    1,252,658.28x = 1,285,357,311,613.90
  5. Step 5: Solve for x
    x = 1,285,357,311,613.90/1,252,658.28
  6. Step 6: Final answer
    x = 1,026,103.71

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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.