Home / 1,330,241.10-1,995,361.65-1,309,245.90

Finding the Fourth Proportional to 1,330,241.10, 1,995,361.65 and 1,309,245.90

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Solution

The fourth proportional to 1,330,241.10, 1,995,361.65 and 1,309,245.90 is: 1,963,868.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,241.10 : 1,995,361.65 = 1,309,245.90 : x
  2. Step 2: Convert to fraction form
    1,330,241.10/1,995,361.65 = 1,309,245.90/x
  3. Step 3: Cross multiply
    1,330,241.10x = 1,995,361.65 × 1,309,245.90
  4. Step 4: Simplify right side
    1,330,241.10x = 2,612,419,059,279.74
  5. Step 5: Solve for x
    x = 2,612,419,059,279.74/1,330,241.10
  6. Step 6: Final answer
    x = 1,963,868.85

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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.