Home / 1,517,163.40-2,275,745.10-720,001.90

Finding the Fourth Proportional to 1,517,163.40, 2,275,745.10 and 720,001.90

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Solution

The fourth proportional to 1,517,163.40, 2,275,745.10 and 720,001.90 is: 1,080,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,163.40 : 2,275,745.10 = 720,001.90 : x
  2. Step 2: Convert to fraction form
    1,517,163.40/2,275,745.10 = 720,001.90/x
  3. Step 3: Cross multiply
    1,517,163.40x = 2,275,745.10 × 720,001.90
  4. Step 4: Simplify right side
    1,517,163.40x = 1,638,540,795,915.69
  5. Step 5: Solve for x
    x = 1,638,540,795,915.69/1,517,163.40
  6. Step 6: Final answer
    x = 1,080,002.85

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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.