Home / 1,263.72-1,743.87-704.16

Finding the Fourth Proportional to 1,263.72, 1,743.87 and 704.16

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Solution

The fourth proportional to 1,263.72, 1,743.87 and 704.16 is: 971.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.72 : 1,743.87 = 704.16 : x
  2. Step 2: Convert to fraction form
    1,263.72/1,743.87 = 704.16/x
  3. Step 3: Cross multiply
    1,263.72x = 1,743.87 × 704.16
  4. Step 4: Simplify right side
    1,263.72x = 1,227,963.50
  5. Step 5: Solve for x
    x = 1,227,963.50/1,263.72
  6. Step 6: Final answer
    x = 971.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.