Home / 1,080,803.53-1,621,289-361,147.73

Finding the Fourth Proportional to 1,080,803.53, 1,621,289 and 361,147.73

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Solution

The fourth proportional to 1,080,803.53, 1,621,289 and 361,147.73 is: 541,749.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,803.53 : 1,621,289 = 361,147.73 : x
  2. Step 2: Convert to fraction form
    1,080,803.53/1,621,289 = 361,147.73/x
  3. Step 3: Cross multiply
    1,080,803.53x = 1,621,289 × 361,147.73
  4. Step 4: Simplify right side
    1,080,803.53x = 585,524,842,023.97
  5. Step 5: Solve for x
    x = 585,524,842,023.97/1,080,803.53
  6. Step 6: Final answer
    x = 541,749.56

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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.