Home / 1,204,350.97-1,661,913.95-660,399.61

Finding the Fourth Proportional to 1,204,350.97, 1,661,913.95 and 660,399.61

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Solution

The fourth proportional to 1,204,350.97, 1,661,913.95 and 660,399.61 is: 911,301.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,350.97 : 1,661,913.95 = 660,399.61 : x
  2. Step 2: Convert to fraction form
    1,204,350.97/1,661,913.95 = 660,399.61/x
  3. Step 3: Cross multiply
    1,204,350.97x = 1,661,913.95 × 660,399.61
  4. Step 4: Simplify right side
    1,204,350.97x = 1,097,527,321,131.56
  5. Step 5: Solve for x
    x = 1,097,527,321,131.56/1,204,350.97
  6. Step 6: Final answer
    x = 911,301.89

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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.