Home / 1,190,801.78-1,643,187.87-674,452.61

Finding the Fourth Proportional to 1,190,801.78, 1,643,187.87 and 674,452.61

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Solution

The fourth proportional to 1,190,801.78, 1,643,187.87 and 674,452.61 is: 930,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,801.78 : 1,643,187.87 = 674,452.61 : x
  2. Step 2: Convert to fraction form
    1,190,801.78/1,643,187.87 = 674,452.61/x
  3. Step 3: Cross multiply
    1,190,801.78x = 1,643,187.87 × 674,452.61
  4. Step 4: Simplify right side
    1,190,801.78x = 1,108,252,339,425.90
  5. Step 5: Solve for x
    x = 1,108,252,339,425.90/1,190,801.78
  6. Step 6: Final answer
    x = 930,677.43

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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.