Home / 1,108,728.20-1,663,092.30-710,147.45

Finding the Fourth Proportional to 1,108,728.20, 1,663,092.30 and 710,147.45

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Solution

The fourth proportional to 1,108,728.20, 1,663,092.30 and 710,147.45 is: 1,065,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,728.20 : 1,663,092.30 = 710,147.45 : x
  2. Step 2: Convert to fraction form
    1,108,728.20/1,663,092.30 = 710,147.45/x
  3. Step 3: Cross multiply
    1,108,728.20x = 1,663,092.30 × 710,147.45
  4. Step 4: Simplify right side
    1,108,728.20x = 1,181,040,755,959.64
  5. Step 5: Solve for x
    x = 1,181,040,755,959.64/1,108,728.20
  6. Step 6: Final answer
    x = 1,065,221.18

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Double scale
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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.