Home / 1,207,691.44-1,811,535.96-309,131.72

Finding the Fourth Proportional to 1,207,691.44, 1,811,535.96 and 309,131.72

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Solution

The fourth proportional to 1,207,691.44, 1,811,535.96 and 309,131.72 is: 463,697.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,691.44 : 1,811,535.96 = 309,131.72 : x
  2. Step 2: Convert to fraction form
    1,207,691.44/1,811,535.96 = 309,131.72/x
  3. Step 3: Cross multiply
    1,207,691.44x = 1,811,535.96 × 309,131.72
  4. Step 4: Simplify right side
    1,207,691.44x = 560,003,227,156.65
  5. Step 5: Solve for x
    x = 560,003,227,156.65/1,207,691.44
  6. Step 6: Final answer
    x = 463,697.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.