Home / 1,262,863.08-1,894,310.82-421,414.83

Finding the Fourth Proportional to 1,262,863.08, 1,894,310.82 and 421,414.83

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Solution

The fourth proportional to 1,262,863.08, 1,894,310.82 and 421,414.83 is: 632,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,863.08 : 1,894,310.82 = 421,414.83 : x
  2. Step 2: Convert to fraction form
    1,262,863.08/1,894,310.82 = 421,414.83/x
  3. Step 3: Cross multiply
    1,262,863.08x = 1,894,310.82 × 421,414.83
  4. Step 4: Simplify right side
    1,262,863.08x = 798,290,672,177.46
  5. Step 5: Solve for x
    x = 798,290,672,177.46/1,262,863.08
  6. Step 6: Final answer
    x = 632,127.65

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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.