Home / 1,419,452.52-2,128,655.52-1,116,439.62

Finding the Fourth Proportional to 1,419,452.52, 2,128,655.52 and 1,116,439.62

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Solution

The fourth proportional to 1,419,452.52, 2,128,655.52 and 1,116,439.62 is: 1,674,247.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,452.52 : 2,128,655.52 = 1,116,439.62 : x
  2. Step 2: Convert to fraction form
    1,419,452.52/2,128,655.52 = 1,116,439.62/x
  3. Step 3: Cross multiply
    1,419,452.52x = 2,128,655.52 × 1,116,439.62
  4. Step 4: Simplify right side
    1,419,452.52x = 2,376,515,359,859.70
  5. Step 5: Solve for x
    x = 2,376,515,359,859.70/1,419,452.52
  6. Step 6: Final answer
    x = 1,674,247.87

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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.