Home / 1,204,100.69-1,661,677.67-660,286.13

Finding the Fourth Proportional to 1,204,100.69, 1,661,677.67 and 660,286.13

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Solution

The fourth proportional to 1,204,100.69, 1,661,677.67 and 660,286.13 is: 911,205.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,100.69 : 1,661,677.67 = 660,286.13 : x
  2. Step 2: Convert to fraction form
    1,204,100.69/1,661,677.67 = 660,286.13/x
  3. Step 3: Cross multiply
    1,204,100.69x = 1,661,677.67 × 660,286.13
  4. Step 4: Simplify right side
    1,204,100.69x = 1,097,182,711,374.04
  5. Step 5: Solve for x
    x = 1,097,182,711,374.04/1,204,100.69
  6. Step 6: Final answer
    x = 911,205.12

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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.