Home / 1,204,469.97-1,662,215.15-660,628.68

Finding the Fourth Proportional to 1,204,469.97, 1,662,215.15 and 660,628.68

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Solution

The fourth proportional to 1,204,469.97, 1,662,215.15 and 660,628.68 is: 911,693.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,469.97 : 1,662,215.15 = 660,628.68 : x
  2. Step 2: Convert to fraction form
    1,204,469.97/1,662,215.15 = 660,628.68/x
  3. Step 3: Cross multiply
    1,204,469.97x = 1,662,215.15 × 660,628.68
  4. Step 4: Simplify right side
    1,204,469.97x = 1,098,106,997,117.36
  5. Step 5: Solve for x
    x = 1,098,106,997,117.36/1,204,469.97
  6. Step 6: Final answer
    x = 911,693.13

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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.