Home / 1,465,344.30-2,198,016.45-1,213,401.90

Finding the Fourth Proportional to 1,465,344.30, 2,198,016.45 and 1,213,401.90

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Solution

The fourth proportional to 1,465,344.30, 2,198,016.45 and 1,213,401.90 is: 1,820,102.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,344.30 : 2,198,016.45 = 1,213,401.90 : x
  2. Step 2: Convert to fraction form
    1,465,344.30/2,198,016.45 = 1,213,401.90/x
  3. Step 3: Cross multiply
    1,465,344.30x = 2,198,016.45 × 1,213,401.90
  4. Step 4: Simplify right side
    1,465,344.30x = 2,667,077,336,661.26
  5. Step 5: Solve for x
    x = 2,667,077,336,661.26/1,465,344.30
  6. Step 6: Final answer
    x = 1,820,102.85

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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.