Home / 1,204,308.60-1,661,793.12-660,301.24

Finding the Fourth Proportional to 1,204,308.60, 1,661,793.12 and 660,301.24

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Solution

The fourth proportional to 1,204,308.60, 1,661,793.12 and 660,301.24 is: 911,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,308.60 : 1,661,793.12 = 660,301.24 : x
  2. Step 2: Convert to fraction form
    1,204,308.60/1,661,793.12 = 660,301.24/x
  3. Step 3: Cross multiply
    1,204,308.60x = 1,661,793.12 × 660,301.24
  4. Step 4: Simplify right side
    1,204,308.60x = 1,097,284,057,759.47
  5. Step 5: Solve for x
    x = 1,097,284,057,759.47/1,204,308.60
  6. Step 6: Final answer
    x = 911,131.96

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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.