Home / 981,190.80-1,471,008.60-537,958.80

Finding the Fourth Proportional to 981,190.80, 1,471,008.60 and 537,958.80

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Solution

The fourth proportional to 981,190.80, 1,471,008.60 and 537,958.80 is: 806,511.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,190.80 : 1,471,008.60 = 537,958.80 : x
  2. Step 2: Convert to fraction form
    981,190.80/1,471,008.60 = 537,958.80/x
  3. Step 3: Cross multiply
    981,190.80x = 1,471,008.60 × 537,958.80
  4. Step 4: Simplify right side
    981,190.80x = 791,342,021,245.68
  5. Step 5: Solve for x
    x = 791,342,021,245.68/981,190.80
  6. Step 6: Final answer
    x = 806,511.86

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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.