Home / 1,213,514.73-1,820,257.52-314,876.43

Finding the Fourth Proportional to 1,213,514.73, 1,820,257.52 and 314,876.43

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Solution

The fourth proportional to 1,213,514.73, 1,820,257.52 and 314,876.43 is: 472,310.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,514.73 : 1,820,257.52 = 314,876.43 : x
  2. Step 2: Convert to fraction form
    1,213,514.73/1,820,257.52 = 314,876.43/x
  3. Step 3: Cross multiply
    1,213,514.73x = 1,820,257.52 × 314,876.43
  4. Step 4: Simplify right side
    1,213,514.73x = 573,156,188,003.87
  5. Step 5: Solve for x
    x = 573,156,188,003.87/1,213,514.73
  6. Step 6: Final answer
    x = 472,310.86

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1.5x scale

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.