Home / 1,324,993.55-1,987,072.00-426,234.92

Finding the Fourth Proportional to 1,324,993.55, 1,987,072.00 and 426,234.92

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Solution

The fourth proportional to 1,324,993.55, 1,987,072.00 and 426,234.92 is: 639,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,993.55 : 1,987,072.00 = 426,234.92 : x
  2. Step 2: Convert to fraction form
    1,324,993.55/1,987,072.00 = 426,234.92/x
  3. Step 3: Cross multiply
    1,324,993.55x = 1,987,072.00 × 426,234.92
  4. Step 4: Simplify right side
    1,324,993.55x = 846,959,463,953.29
  5. Step 5: Solve for x
    x = 846,959,463,953.29/1,324,993.55
  6. Step 6: Final answer
    x = 639,217.80

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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.