Home / 1,261,040.88-1,892,418.12-513,222.96

Finding the Fourth Proportional to 1,261,040.88, 1,892,418.12 and 513,222.96

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Solution

The fourth proportional to 1,261,040.88, 1,892,418.12 and 513,222.96 is: 770,183.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,040.88 : 1,892,418.12 = 513,222.96 : x
  2. Step 2: Convert to fraction form
    1,261,040.88/1,892,418.12 = 513,222.96/x
  3. Step 3: Cross multiply
    1,261,040.88x = 1,892,418.12 × 513,222.96
  4. Step 4: Simplify right side
    1,261,040.88x = 971,232,429,104.04
  5. Step 5: Solve for x
    x = 971,232,429,104.04/1,261,040.88
  6. Step 6: Final answer
    x = 770,183.14

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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.