Home / 1,131,889.11-1,562,314.02-667,148.88

Finding the Fourth Proportional to 1,131,889.11, 1,562,314.02 and 667,148.88

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Solution

The fourth proportional to 1,131,889.11, 1,562,314.02 and 667,148.88 is: 920,846.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,889.11 : 1,562,314.02 = 667,148.88 : x
  2. Step 2: Convert to fraction form
    1,131,889.11/1,562,314.02 = 667,148.88/x
  3. Step 3: Cross multiply
    1,131,889.11x = 1,562,314.02 × 667,148.88
  4. Step 4: Simplify right side
    1,131,889.11x = 1,042,296,048,651.30
  5. Step 5: Solve for x
    x = 1,042,296,048,651.30/1,131,889.11
  6. Step 6: Final answer
    x = 920,846.43

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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.