Home / 1,253,101.22-1,729,281.65-680,141.64

Finding the Fourth Proportional to 1,253,101.22, 1,729,281.65 and 680,141.64

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Solution

The fourth proportional to 1,253,101.22, 1,729,281.65 and 680,141.64 is: 938,596.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,101.22 : 1,729,281.65 = 680,141.64 : x
  2. Step 2: Convert to fraction form
    1,253,101.22/1,729,281.65 = 680,141.64/x
  3. Step 3: Cross multiply
    1,253,101.22x = 1,729,281.65 × 680,141.64
  4. Step 4: Simplify right side
    1,253,101.22x = 1,176,156,457,452.91
  5. Step 5: Solve for x
    x = 1,176,156,457,452.91/1,253,101.22
  6. Step 6: Final answer
    x = 938,596.53

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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.