Home / 1,204,272.44-1,661,918.79-660,375.79

Finding the Fourth Proportional to 1,204,272.44, 1,661,918.79 and 660,375.79

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Solution

The fourth proportional to 1,204,272.44, 1,661,918.79 and 660,375.79 is: 911,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,272.44 : 1,661,918.79 = 660,375.79 : x
  2. Step 2: Convert to fraction form
    1,204,272.44/1,661,918.79 = 660,375.79/x
  3. Step 3: Cross multiply
    1,204,272.44x = 1,661,918.79 × 660,375.79
  4. Step 4: Simplify right side
    1,204,272.44x = 1,097,490,932,183.71
  5. Step 5: Solve for x
    x = 1,097,490,932,183.71/1,204,272.44
  6. Step 6: Final answer
    x = 911,331.10

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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.