Home / 1,263,310.40-1,894,965.60-505,514.90

Finding the Fourth Proportional to 1,263,310.40, 1,894,965.60 and 505,514.90

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Solution

The fourth proportional to 1,263,310.40, 1,894,965.60 and 505,514.90 is: 758,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,310.40 : 1,894,965.60 = 505,514.90 : x
  2. Step 2: Convert to fraction form
    1,263,310.40/1,894,965.60 = 505,514.90/x
  3. Step 3: Cross multiply
    1,263,310.40x = 1,894,965.60 × 505,514.90
  4. Step 4: Simplify right side
    1,263,310.40x = 957,933,345,787.44
  5. Step 5: Solve for x
    x = 957,933,345,787.44/1,263,310.40
  6. Step 6: Final answer
    x = 758,272.35

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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.