Home / 1,261,092.24-1,740,349.31-688,163.85

Finding the Fourth Proportional to 1,261,092.24, 1,740,349.31 and 688,163.85

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Solution

The fourth proportional to 1,261,092.24, 1,740,349.31 and 688,163.85 is: 949,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,092.24 : 1,740,349.31 = 688,163.85 : x
  2. Step 2: Convert to fraction form
    1,261,092.24/1,740,349.31 = 688,163.85/x
  3. Step 3: Cross multiply
    1,261,092.24x = 1,740,349.31 × 688,163.85
  4. Step 4: Simplify right side
    1,261,092.24x = 1,197,645,478,073.62
  5. Step 5: Solve for x
    x = 1,197,645,478,073.62/1,261,092.24
  6. Step 6: Final answer
    x = 949,689.04

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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.