Home / 1,131,138.68-1,561,001.22-614,927.32

Finding the Fourth Proportional to 1,131,138.68, 1,561,001.22 and 614,927.32

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Solution

The fourth proportional to 1,131,138.68, 1,561,001.22 and 614,927.32 is: 848,615.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,138.68 : 1,561,001.22 = 614,927.32 : x
  2. Step 2: Convert to fraction form
    1,131,138.68/1,561,001.22 = 614,927.32/x
  3. Step 3: Cross multiply
    1,131,138.68x = 1,561,001.22 × 614,927.32
  4. Step 4: Simplify right side
    1,131,138.68x = 959,902,296,731.33
  5. Step 5: Solve for x
    x = 959,902,296,731.33/1,131,138.68
  6. Step 6: Final answer
    x = 848,615.92

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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.