Home / 1,204,273.44-1,661,920.17-660,376.79

Finding the Fourth Proportional to 1,204,273.44, 1,661,920.17 and 660,376.79

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Solution

The fourth proportional to 1,204,273.44, 1,661,920.17 and 660,376.79 is: 911,332.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,273.44 : 1,661,920.17 = 660,376.79 : x
  2. Step 2: Convert to fraction form
    1,204,273.44/1,661,920.17 = 660,376.79/x
  3. Step 3: Cross multiply
    1,204,273.44x = 1,661,920.17 × 660,376.79
  4. Step 4: Simplify right side
    1,204,273.44x = 1,097,493,507,100.85
  5. Step 5: Solve for x
    x = 1,097,493,507,100.85/1,204,273.44
  6. Step 6: Final answer
    x = 911,332.49

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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.