Home / 1,047,817.78-1,571,741.25-299,863.78

Finding the Fourth Proportional to 1,047,817.78, 1,571,741.25 and 299,863.78

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Solution

The fourth proportional to 1,047,817.78, 1,571,741.25 and 299,863.78 is: 449,799.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,817.78 : 1,571,741.25 = 299,863.78 : x
  2. Step 2: Convert to fraction form
    1,047,817.78/1,571,741.25 = 299,863.78/x
  3. Step 3: Cross multiply
    1,047,817.78x = 1,571,741.25 × 299,863.78
  4. Step 4: Simplify right side
    1,047,817.78x = 471,308,274,933.85
  5. Step 5: Solve for x
    x = 471,308,274,933.85/1,047,817.78
  6. Step 6: Final answer
    x = 449,799.84

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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.