Home / 1,264,321.74-1,896,086.79-422,676.66

Finding the Fourth Proportional to 1,264,321.74, 1,896,086.79 and 422,676.66

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Solution

The fourth proportional to 1,264,321.74, 1,896,086.79 and 422,676.66 is: 633,882.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,321.74 : 1,896,086.79 = 422,676.66 : x
  2. Step 2: Convert to fraction form
    1,264,321.74/1,896,086.79 = 422,676.66/x
  3. Step 3: Cross multiply
    1,264,321.74x = 1,896,086.79 × 422,676.66
  4. Step 4: Simplify right side
    1,264,321.74x = 801,431,631,467.32
  5. Step 5: Solve for x
    x = 801,431,631,467.32/1,264,321.74
  6. Step 6: Final answer
    x = 633,882.66

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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.