Home / 1,110,171.12-1,532,073.24-680,368.20

Finding the Fourth Proportional to 1,110,171.12, 1,532,073.24 and 680,368.20

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Solution

The fourth proportional to 1,110,171.12, 1,532,073.24 and 680,368.20 is: 938,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,171.12 : 1,532,073.24 = 680,368.20 : x
  2. Step 2: Convert to fraction form
    1,110,171.12/1,532,073.24 = 680,368.20/x
  3. Step 3: Cross multiply
    1,110,171.12x = 1,532,073.24 × 680,368.20
  4. Step 4: Simplify right side
    1,110,171.12x = 1,042,373,912,566.97
  5. Step 5: Solve for x
    x = 1,042,373,912,566.97/1,110,171.12
  6. Step 6: Final answer
    x = 938,930.85

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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.