Home / 1,145,849.76-1,582,001.52-783,876.96

Finding the Fourth Proportional to 1,145,849.76, 1,582,001.52 and 783,876.96

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Solution

The fourth proportional to 1,145,849.76, 1,582,001.52 and 783,876.96 is: 1,082,248.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,849.76 : 1,582,001.52 = 783,876.96 : x
  2. Step 2: Convert to fraction form
    1,145,849.76/1,582,001.52 = 783,876.96/x
  3. Step 3: Cross multiply
    1,145,849.76x = 1,582,001.52 × 783,876.96
  4. Step 4: Simplify right side
    1,145,849.76x = 1,240,094,542,212.98
  5. Step 5: Solve for x
    x = 1,240,094,542,212.98/1,145,849.76
  6. Step 6: Final answer
    x = 1,082,248.81

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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.