Home / 1,288,168.80-1,932,253.20-446,720.55

Finding the Fourth Proportional to 1,288,168.80, 1,932,253.20 and 446,720.55

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Solution

The fourth proportional to 1,288,168.80, 1,932,253.20 and 446,720.55 is: 670,080.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,168.80 : 1,932,253.20 = 446,720.55 : x
  2. Step 2: Convert to fraction form
    1,288,168.80/1,932,253.20 = 446,720.55/x
  3. Step 3: Cross multiply
    1,288,168.80x = 1,932,253.20 × 446,720.55
  4. Step 4: Simplify right side
    1,288,168.80x = 863,177,212,243.26
  5. Step 5: Solve for x
    x = 863,177,212,243.26/1,288,168.80
  6. Step 6: Final answer
    x = 670,080.83

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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.