Home / 1,131,847.94-1,561,942.76-641,910.74

Finding the Fourth Proportional to 1,131,847.94, 1,561,942.76 and 641,910.74

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Solution

The fourth proportional to 1,131,847.94, 1,561,942.76 and 641,910.74 is: 885,832.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,847.94 : 1,561,942.76 = 641,910.74 : x
  2. Step 2: Convert to fraction form
    1,131,847.94/1,561,942.76 = 641,910.74/x
  3. Step 3: Cross multiply
    1,131,847.94x = 1,561,942.76 × 641,910.74
  4. Step 4: Simplify right side
    1,131,847.94x = 1,002,627,821,889.97
  5. Step 5: Solve for x
    x = 1,002,627,821,889.97/1,131,847.94
  6. Step 6: Final answer
    x = 885,832.61

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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.