Home / 1,158,126.62-1,737,422.13-399,995.90

Finding the Fourth Proportional to 1,158,126.62, 1,737,422.13 and 399,995.90

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Solution

The fourth proportional to 1,158,126.62, 1,737,422.13 and 399,995.90 is: 600,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,126.62 : 1,737,422.13 = 399,995.90 : x
  2. Step 2: Convert to fraction form
    1,158,126.62/1,737,422.13 = 399,995.90/x
  3. Step 3: Cross multiply
    1,158,126.62x = 1,737,422.13 × 399,995.90
  4. Step 4: Simplify right side
    1,158,126.62x = 694,961,728,569.27
  5. Step 5: Solve for x
    x = 694,961,728,569.27/1,158,126.62
  6. Step 6: Final answer
    x = 600,074.05

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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.