Home / 1,172,257.35-1,758,333.20-488,862.78

Finding the Fourth Proportional to 1,172,257.35, 1,758,333.20 and 488,862.78

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Solution

The fourth proportional to 1,172,257.35, 1,758,333.20 and 488,862.78 is: 733,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,257.35 : 1,758,333.20 = 488,862.78 : x
  2. Step 2: Convert to fraction form
    1,172,257.35/1,758,333.20 = 488,862.78/x
  3. Step 3: Cross multiply
    1,172,257.35x = 1,758,333.20 × 488,862.78
  4. Step 4: Simplify right side
    1,172,257.35x = 859,583,653,873.98
  5. Step 5: Solve for x
    x = 859,583,653,873.98/1,172,257.35
  6. Step 6: Final answer
    x = 733,272.14

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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.