Home / 1,805,851.50-2,708,481.97-543,383.88

Finding the Fourth Proportional to 1,805,851.50, 2,708,481.97 and 543,383.88

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Solution

The fourth proportional to 1,805,851.50, 2,708,481.97 and 543,383.88 is: 814,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,851.50 : 2,708,481.97 = 543,383.88 : x
  2. Step 2: Convert to fraction form
    1,805,851.50/2,708,481.97 = 543,383.88/x
  3. Step 3: Cross multiply
    1,805,851.50x = 2,708,481.97 × 543,383.88
  4. Step 4: Simplify right side
    1,805,851.50x = 1,471,745,441,768.64
  5. Step 5: Solve for x
    x = 1,471,745,441,768.64/1,805,851.50
  6. Step 6: Final answer
    x = 814,986.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.