Home / 1,354,272.30-2,030,817.87-512,233.56

Finding the Fourth Proportional to 1,354,272.30, 2,030,817.87 and 512,233.56

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Solution

The fourth proportional to 1,354,272.30, 2,030,817.87 and 512,233.56 is: 768,126.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,272.30 : 2,030,817.87 = 512,233.56 : x
  2. Step 2: Convert to fraction form
    1,354,272.30/2,030,817.87 = 512,233.56/x
  3. Step 3: Cross multiply
    1,354,272.30x = 2,030,817.87 × 512,233.56
  4. Step 4: Simplify right side
    1,354,272.30x = 1,040,253,067,261.72
  5. Step 5: Solve for x
    x = 1,040,253,067,261.72/1,354,272.30
  6. Step 6: Final answer
    x = 768,126.96

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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.