Home / 1,264,185.24-1,895,882.56-422,540.16

Finding the Fourth Proportional to 1,264,185.24, 1,895,882.56 and 422,540.16

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Solution

The fourth proportional to 1,264,185.24, 1,895,882.56 and 422,540.16 is: 633,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,185.24 : 1,895,882.56 = 422,540.16 : x
  2. Step 2: Convert to fraction form
    1,264,185.24/1,895,882.56 = 422,540.16/x
  3. Step 3: Cross multiply
    1,264,185.24x = 1,895,882.56 × 422,540.16
  4. Step 4: Simplify right side
    1,264,185.24x = 801,086,520,243.61
  5. Step 5: Solve for x
    x = 801,086,520,243.61/1,264,185.24
  6. Step 6: Final answer
    x = 633,678.12

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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.