Home / 1,102,540.40-1,653,859.20-622,761.20

Finding the Fourth Proportional to 1,102,540.40, 1,653,859.20 and 622,761.20

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Solution

The fourth proportional to 1,102,540.40, 1,653,859.20 and 622,761.20 is: 934,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,540.40 : 1,653,859.20 = 622,761.20 : x
  2. Step 2: Convert to fraction form
    1,102,540.40/1,653,859.20 = 622,761.20/x
  3. Step 3: Cross multiply
    1,102,540.40x = 1,653,859.20 × 622,761.20
  4. Step 4: Simplify right side
    1,102,540.40x = 1,029,959,340,023.04
  5. Step 5: Solve for x
    x = 1,029,959,340,023.04/1,102,540.40
  6. Step 6: Final answer
    x = 934,169.25

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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.