Home / 1,179,191.42-1,768,770.66-672,671.42

Finding the Fourth Proportional to 1,179,191.42, 1,768,770.66 and 672,671.42

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Solution

The fourth proportional to 1,179,191.42, 1,768,770.66 and 672,671.42 is: 1,008,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,191.42 : 1,768,770.66 = 672,671.42 : x
  2. Step 2: Convert to fraction form
    1,179,191.42/1,768,770.66 = 672,671.42/x
  3. Step 3: Cross multiply
    1,179,191.42x = 1,768,770.66 × 672,671.42
  4. Step 4: Simplify right side
    1,179,191.42x = 1,189,801,471,516.54
  5. Step 5: Solve for x
    x = 1,189,801,471,516.54/1,179,191.42
  6. Step 6: Final answer
    x = 1,008,997.73

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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.