Home / 1,120,198.84-1,679,745.30-488,839.48

Finding the Fourth Proportional to 1,120,198.84, 1,679,745.30 and 488,839.48

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Solution

The fourth proportional to 1,120,198.84, 1,679,745.30 and 488,839.48 is: 733,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,198.84 : 1,679,745.30 = 488,839.48 : x
  2. Step 2: Convert to fraction form
    1,120,198.84/1,679,745.30 = 488,839.48/x
  3. Step 3: Cross multiply
    1,120,198.84x = 1,679,745.30 × 488,839.48
  4. Step 4: Simplify right side
    1,120,198.84x = 821,125,824,405.91
  5. Step 5: Solve for x
    x = 821,125,824,405.91/1,120,198.84
  6. Step 6: Final answer
    x = 733,017.92

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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.