Home / 1,131,821.24-1,561,942.86-622,536.98

Finding the Fourth Proportional to 1,131,821.24, 1,561,942.86 and 622,536.98

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Solution

The fourth proportional to 1,131,821.24, 1,561,942.86 and 622,536.98 is: 859,117.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,821.24 : 1,561,942.86 = 622,536.98 : x
  2. Step 2: Convert to fraction form
    1,131,821.24/1,561,942.86 = 622,536.98/x
  3. Step 3: Cross multiply
    1,131,821.24x = 1,561,942.86 × 622,536.98
  4. Step 4: Simplify right side
    1,131,821.24x = 972,367,190,996.96
  5. Step 5: Solve for x
    x = 972,367,190,996.96/1,131,821.24
  6. Step 6: Final answer
    x = 859,117.29

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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.