Home / 1,204,109.56-1,661,689.92-660,295

Finding the Fourth Proportional to 1,204,109.56, 1,661,689.92 and 660,295

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Solution

The fourth proportional to 1,204,109.56, 1,661,689.92 and 660,295 is: 911,217.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,109.56 : 1,661,689.92 = 660,295 : x
  2. Step 2: Convert to fraction form
    1,204,109.56/1,661,689.92 = 660,295/x
  3. Step 3: Cross multiply
    1,204,109.56x = 1,661,689.92 × 660,295
  4. Step 4: Simplify right side
    1,204,109.56x = 1,097,205,545,726.40
  5. Step 5: Solve for x
    x = 1,097,205,545,726.40/1,204,109.56
  6. Step 6: Final answer
    x = 911,217.37

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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.