Home / 1,353,016.92-1,867,139.73-741,181.80

Finding the Fourth Proportional to 1,353,016.92, 1,867,139.73 and 741,181.80

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Solution

The fourth proportional to 1,353,016.92, 1,867,139.73 and 741,181.80 is: 1,022,817.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,016.92 : 1,867,139.73 = 741,181.80 : x
  2. Step 2: Convert to fraction form
    1,353,016.92/1,867,139.73 = 741,181.80/x
  3. Step 3: Cross multiply
    1,353,016.92x = 1,867,139.73 × 741,181.80
  4. Step 4: Simplify right side
    1,353,016.92x = 1,383,889,985,932.91
  5. Step 5: Solve for x
    x = 1,383,889,985,932.91/1,353,016.92
  6. Step 6: Final answer
    x = 1,022,817.95

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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.