Home / 1,518,825.38-2,278,240.30-620,267.17

Finding the Fourth Proportional to 1,518,825.38, 2,278,240.30 and 620,267.17

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Solution

The fourth proportional to 1,518,825.38, 2,278,240.30 and 620,267.17 is: 930,401.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,825.38 : 2,278,240.30 = 620,267.17 : x
  2. Step 2: Convert to fraction form
    1,518,825.38/2,278,240.30 = 620,267.17/x
  3. Step 3: Cross multiply
    1,518,825.38x = 2,278,240.30 × 620,267.17
  4. Step 4: Simplify right side
    1,518,825.38x = 1,413,117,661,067.88
  5. Step 5: Solve for x
    x = 1,413,117,661,067.88/1,518,825.38
  6. Step 6: Final answer
    x = 930,401.66

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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.