Home / 1,442,942.35-1,991,234.19-798,362.56

Finding the Fourth Proportional to 1,442,942.35, 1,991,234.19 and 798,362.56

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Solution

The fourth proportional to 1,442,942.35, 1,991,234.19 and 798,362.56 is: 1,101,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,942.35 : 1,991,234.19 = 798,362.56 : x
  2. Step 2: Convert to fraction form
    1,442,942.35/1,991,234.19 = 798,362.56/x
  3. Step 3: Cross multiply
    1,442,942.35x = 1,991,234.19 × 798,362.56
  4. Step 4: Simplify right side
    1,442,942.35x = 1,589,726,825,487.93
  5. Step 5: Solve for x
    x = 1,589,726,825,487.93/1,442,942.35
  6. Step 6: Final answer
    x = 1,101,725.81

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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.