Home / 1,280,813.31-1,917,234.16-806,502.22

Finding the Fourth Proportional to 1,280,813.31, 1,917,234.16 and 806,502.22

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Solution

The fourth proportional to 1,280,813.31, 1,917,234.16 and 806,502.22 is: 1,207,243.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,813.31 : 1,917,234.16 = 806,502.22 : x
  2. Step 2: Convert to fraction form
    1,280,813.31/1,917,234.16 = 806,502.22/x
  3. Step 3: Cross multiply
    1,280,813.31x = 1,917,234.16 × 806,502.22
  4. Step 4: Simplify right side
    1,280,813.31x = 1,546,253,599,490.49
  5. Step 5: Solve for x
    x = 1,546,253,599,490.49/1,280,813.31
  6. Step 6: Final answer
    x = 1,207,243.54

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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.