Home / 1,108,879.20-1,663,318.80-267,430.95

Finding the Fourth Proportional to 1,108,879.20, 1,663,318.80 and 267,430.95

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Solution

The fourth proportional to 1,108,879.20, 1,663,318.80 and 267,430.95 is: 401,146.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,879.20 : 1,663,318.80 = 267,430.95 : x
  2. Step 2: Convert to fraction form
    1,108,879.20/1,663,318.80 = 267,430.95/x
  3. Step 3: Cross multiply
    1,108,879.20x = 1,663,318.80 × 267,430.95
  4. Step 4: Simplify right side
    1,108,879.20x = 444,822,926,836.86
  5. Step 5: Solve for x
    x = 444,822,926,836.86/1,108,879.20
  6. Step 6: Final answer
    x = 401,146.43

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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.