Home / 801,623.16-1,202,493.12-269,139.72

Finding the Fourth Proportional to 801,623.16, 1,202,493.12 and 269,139.72

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Solution

The fourth proportional to 801,623.16, 1,202,493.12 and 269,139.72 is: 403,729.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,623.16 : 1,202,493.12 = 269,139.72 : x
  2. Step 2: Convert to fraction form
    801,623.16/1,202,493.12 = 269,139.72/x
  3. Step 3: Cross multiply
    801,623.16x = 1,202,493.12 × 269,139.72
  4. Step 4: Simplify right side
    801,623.16x = 323,638,661,618.73
  5. Step 5: Solve for x
    x = 323,638,661,618.73/801,623.16
  6. Step 6: Final answer
    x = 403,729.18

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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.