Home / 1,131,262.38-1,561,102.20-621,960.84

Finding the Fourth Proportional to 1,131,262.38, 1,561,102.20 and 621,960.84

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Solution

The fourth proportional to 1,131,262.38, 1,561,102.20 and 621,960.84 is: 858,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,262.38 : 1,561,102.20 = 621,960.84 : x
  2. Step 2: Convert to fraction form
    1,131,262.38/1,561,102.20 = 621,960.84/x
  3. Step 3: Cross multiply
    1,131,262.38x = 1,561,102.20 × 621,960.84
  4. Step 4: Simplify right side
    1,131,262.38x = 970,944,435,637.85
  5. Step 5: Solve for x
    x = 970,944,435,637.85/1,131,262.38
  6. Step 6: Final answer
    x = 858,284.03

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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.