Home / 1,204,295.92-1,661,930.66-660,435.53

Finding the Fourth Proportional to 1,204,295.92, 1,661,930.66 and 660,435.53

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Solution

The fourth proportional to 1,204,295.92, 1,661,930.66 and 660,435.53 is: 911,402.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,295.92 : 1,661,930.66 = 660,435.53 : x
  2. Step 2: Convert to fraction form
    1,204,295.92/1,661,930.66 = 660,435.53/x
  3. Step 3: Cross multiply
    1,204,295.92x = 1,661,930.66 × 660,435.53
  4. Step 4: Simplify right side
    1,204,295.92x = 1,097,598,049,601.79
  5. Step 5: Solve for x
    x = 1,097,598,049,601.79/1,204,295.92
  6. Step 6: Final answer
    x = 911,402.28

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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.