Home / 1,131,469.20-1,561,427.52-622,171.58

Finding the Fourth Proportional to 1,131,469.20, 1,561,427.52 and 622,171.58

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Solution

The fourth proportional to 1,131,469.20, 1,561,427.52 and 622,171.58 is: 858,596.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,469.20 : 1,561,427.52 = 622,171.58 : x
  2. Step 2: Convert to fraction form
    1,131,469.20/1,561,427.52 = 622,171.58/x
  3. Step 3: Cross multiply
    1,131,469.20x = 1,561,427.52 × 622,171.58
  4. Step 4: Simplify right side
    1,131,469.20x = 971,475,827,173.88
  5. Step 5: Solve for x
    x = 971,475,827,173.88/1,131,469.20
  6. Step 6: Final answer
    x = 858,596.79

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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.