Home / 1,361,380.20-2,041,851.60-414,530.70

Finding the Fourth Proportional to 1,361,380.20, 2,041,851.60 and 414,530.70

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Solution

The fourth proportional to 1,361,380.20, 2,041,851.60 and 414,530.70 is: 621,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,380.20 : 2,041,851.60 = 414,530.70 : x
  2. Step 2: Convert to fraction form
    1,361,380.20/2,041,851.60 = 414,530.70/x
  3. Step 3: Cross multiply
    1,361,380.20x = 2,041,851.60 × 414,530.70
  4. Step 4: Simplify right side
    1,361,380.20x = 846,410,173,044.12
  5. Step 5: Solve for x
    x = 846,410,173,044.12/1,361,380.20
  6. Step 6: Final answer
    x = 621,729.46

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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.