Home / 1,092,116.10-1,638,174.15-985,827.90

Finding the Fourth Proportional to 1,092,116.10, 1,638,174.15 and 985,827.90

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Solution

The fourth proportional to 1,092,116.10, 1,638,174.15 and 985,827.90 is: 1,478,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,116.10 : 1,638,174.15 = 985,827.90 : x
  2. Step 2: Convert to fraction form
    1,092,116.10/1,638,174.15 = 985,827.90/x
  3. Step 3: Cross multiply
    1,092,116.10x = 1,638,174.15 × 985,827.90
  4. Step 4: Simplify right side
    1,092,116.10x = 1,614,957,782,128.79
  5. Step 5: Solve for x
    x = 1,614,957,782,128.79/1,092,116.10
  6. Step 6: Final answer
    x = 1,478,741.85

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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.