Home / 1,227,310.67-1,841,255.78-385,862.42

Finding the Fourth Proportional to 1,227,310.67, 1,841,255.78 and 385,862.42

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Solution

The fourth proportional to 1,227,310.67, 1,841,255.78 and 385,862.42 is: 578,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,310.67 : 1,841,255.78 = 385,862.42 : x
  2. Step 2: Convert to fraction form
    1,227,310.67/1,841,255.78 = 385,862.42/x
  3. Step 3: Cross multiply
    1,227,310.67x = 1,841,255.78 × 385,862.42
  4. Step 4: Simplify right side
    1,227,310.67x = 710,471,409,180.48
  5. Step 5: Solve for x
    x = 710,471,409,180.48/1,227,310.67
  6. Step 6: Final answer
    x = 578,884.73

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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.