Home / 1,158,377.92-1,598,480.89-642,126.85

Finding the Fourth Proportional to 1,158,377.92, 1,598,480.89 and 642,126.85

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Solution

The fourth proportional to 1,158,377.92, 1,598,480.89 and 642,126.85 is: 886,090.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,377.92 : 1,598,480.89 = 642,126.85 : x
  2. Step 2: Convert to fraction form
    1,158,377.92/1,598,480.89 = 642,126.85/x
  3. Step 3: Cross multiply
    1,158,377.92x = 1,598,480.89 × 642,126.85
  4. Step 4: Simplify right side
    1,158,377.92x = 1,026,427,493,079.38
  5. Step 5: Solve for x
    x = 1,026,427,493,079.38/1,158,377.92
  6. Step 6: Final answer
    x = 886,090.35

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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.