Home / 1,310,481.20-1,965,720.60-363,851.60

Finding the Fourth Proportional to 1,310,481.20, 1,965,720.60 and 363,851.60

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Solution

The fourth proportional to 1,310,481.20, 1,965,720.60 and 363,851.60 is: 545,777.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,481.20 : 1,965,720.60 = 363,851.60 : x
  2. Step 2: Convert to fraction form
    1,310,481.20/1,965,720.60 = 363,851.60/x
  3. Step 3: Cross multiply
    1,310,481.20x = 1,965,720.60 × 363,851.60
  4. Step 4: Simplify right side
    1,310,481.20x = 715,230,585,462.96
  5. Step 5: Solve for x
    x = 715,230,585,462.96/1,310,481.20
  6. Step 6: Final answer
    x = 545,777.07

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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.