Home / 1,387,199.80-2,080,281.30-965,222.20

Finding the Fourth Proportional to 1,387,199.80, 2,080,281.30 and 965,222.20

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Solution

The fourth proportional to 1,387,199.80, 2,080,281.30 and 965,222.20 is: 1,447,472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,199.80 : 2,080,281.30 = 965,222.20 : x
  2. Step 2: Convert to fraction form
    1,387,199.80/2,080,281.30 = 965,222.20/x
  3. Step 3: Cross multiply
    1,387,199.80x = 2,080,281.30 × 965,222.20
  4. Step 4: Simplify right side
    1,387,199.80x = 2,007,933,693,004.86
  5. Step 5: Solve for x
    x = 2,007,933,693,004.86/1,387,199.80
  6. Step 6: Final answer
    x = 1,447,472.59

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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.