Home / 1,028,049.23-1,540,659.13-875,456.78

Finding the Fourth Proportional to 1,028,049.23, 1,540,659.13 and 875,456.78

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Solution

The fourth proportional to 1,028,049.23, 1,540,659.13 and 875,456.78 is: 1,311,980.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,049.23 : 1,540,659.13 = 875,456.78 : x
  2. Step 2: Convert to fraction form
    1,028,049.23/1,540,659.13 = 875,456.78/x
  3. Step 3: Cross multiply
    1,028,049.23x = 1,540,659.13 × 875,456.78
  4. Step 4: Simplify right side
    1,028,049.23x = 1,348,780,471,135.46
  5. Step 5: Solve for x
    x = 1,348,780,471,135.46/1,028,049.23
  6. Step 6: Final answer
    x = 1,311,980.43

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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.