Home / 1,131,889.35-1,562,314.37-667,149.13

Finding the Fourth Proportional to 1,131,889.35, 1,562,314.37 and 667,149.13

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Solution

The fourth proportional to 1,131,889.35, 1,562,314.37 and 667,149.13 is: 920,846.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,889.35 : 1,562,314.37 = 667,149.13 : x
  2. Step 2: Convert to fraction form
    1,131,889.35/1,562,314.37 = 667,149.13/x
  3. Step 3: Cross multiply
    1,131,889.35x = 1,562,314.37 × 667,149.13
  4. Step 4: Simplify right side
    1,131,889.35x = 1,042,296,672,732.00
  5. Step 5: Solve for x
    x = 1,042,296,672,732.00/1,131,889.35
  6. Step 6: Final answer
    x = 920,846.79

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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.