Home / 1,340,049.71-2,010,449.75-541,891.76

Finding the Fourth Proportional to 1,340,049.71, 2,010,449.75 and 541,891.76

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Solution

The fourth proportional to 1,340,049.71, 2,010,449.75 and 541,891.76 is: 812,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,049.71 : 2,010,449.75 = 541,891.76 : x
  2. Step 2: Convert to fraction form
    1,340,049.71/2,010,449.75 = 541,891.76/x
  3. Step 3: Cross multiply
    1,340,049.71x = 2,010,449.75 × 541,891.76
  4. Step 4: Simplify right side
    1,340,049.71x = 1,089,446,140,657.35
  5. Step 5: Solve for x
    x = 1,089,446,140,657.35/1,340,049.71
  6. Step 6: Final answer
    x = 812,989.35

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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.