Home / 1,225.01-1,836.30-704.38

Finding the Fourth Proportional to 1,225.01, 1,836.30 and 704.38

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Solution

The fourth proportional to 1,225.01, 1,836.30 and 704.38 is: 1,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.01 : 1,836.30 = 704.38 : x
  2. Step 2: Convert to fraction form
    1,225.01/1,836.30 = 704.38/x
  3. Step 3: Cross multiply
    1,225.01x = 1,836.30 × 704.38
  4. Step 4: Simplify right side
    1,225.01x = 1,293,452.99
  5. Step 5: Solve for x
    x = 1,293,452.99/1,225.01
  6. Step 6: Final answer
    x = 1,055.87

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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.