Home / 1,204,109.31-1,661,689.58-660,294.75

Finding the Fourth Proportional to 1,204,109.31, 1,661,689.58 and 660,294.75

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Solution

The fourth proportional to 1,204,109.31, 1,661,689.58 and 660,294.75 is: 911,217.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,109.31 : 1,661,689.58 = 660,294.75 : x
  2. Step 2: Convert to fraction form
    1,204,109.31/1,661,689.58 = 660,294.75/x
  3. Step 3: Cross multiply
    1,204,109.31x = 1,661,689.58 × 660,294.75
  4. Step 4: Simplify right side
    1,204,109.31x = 1,097,204,902,502.23
  5. Step 5: Solve for x
    x = 1,097,204,902,502.23/1,204,109.31
  6. Step 6: Final answer
    x = 911,217.02

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Double scale
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1.5x scale

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.