Home / 1,204,100.56-1,661,677.50-660,286

Finding the Fourth Proportional to 1,204,100.56, 1,661,677.50 and 660,286

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Solution

The fourth proportional to 1,204,100.56, 1,661,677.50 and 660,286 is: 911,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,100.56 : 1,661,677.50 = 660,286 : x
  2. Step 2: Convert to fraction form
    1,204,100.56/1,661,677.50 = 660,286/x
  3. Step 3: Cross multiply
    1,204,100.56x = 1,661,677.50 × 660,286
  4. Step 4: Simplify right side
    1,204,100.56x = 1,097,182,389,765
  5. Step 5: Solve for x
    x = 1,097,182,389,765/1,204,100.56
  6. Step 6: Final answer
    x = 911,204.95

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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.