Home / 1,204,060.85-1,661,584.95-660,201.11

Finding the Fourth Proportional to 1,204,060.85, 1,661,584.95 and 660,201.11

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Solution

The fourth proportional to 1,204,060.85, 1,661,584.95 and 660,201.11 is: 911,067.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,060.85 : 1,661,584.95 = 660,201.11 : x
  2. Step 2: Convert to fraction form
    1,204,060.85/1,661,584.95 = 660,201.11/x
  3. Step 3: Cross multiply
    1,204,060.85x = 1,661,584.95 × 660,201.11
  4. Step 4: Simplify right side
    1,204,060.85x = 1,096,980,220,041.37
  5. Step 5: Solve for x
    x = 1,096,980,220,041.37/1,204,060.85
  6. Step 6: Final answer
    x = 911,067.10

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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.