Home / 1,306,072.20-1,959,119.24-359,494.86

Finding the Fourth Proportional to 1,306,072.20, 1,959,119.24 and 359,494.86

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Solution

The fourth proportional to 1,306,072.20, 1,959,119.24 and 359,494.86 is: 539,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,072.20 : 1,959,119.24 = 359,494.86 : x
  2. Step 2: Convert to fraction form
    1,306,072.20/1,959,119.24 = 359,494.86/x
  3. Step 3: Cross multiply
    1,306,072.20x = 1,959,119.24 × 359,494.86
  4. Step 4: Simplify right side
    1,306,072.20x = 704,293,293,458.44
  5. Step 5: Solve for x
    x = 704,293,293,458.44/1,306,072.20
  6. Step 6: Final answer
    x = 539,245.30

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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.