Home / 1,263.57-1,743.70-704.08

Finding the Fourth Proportional to 1,263.57, 1,743.70 and 704.08

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Solution

The fourth proportional to 1,263.57, 1,743.70 and 704.08 is: 971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.57 : 1,743.70 = 704.08 : x
  2. Step 2: Convert to fraction form
    1,263.57/1,743.70 = 704.08/x
  3. Step 3: Cross multiply
    1,263.57x = 1,743.70 × 704.08
  4. Step 4: Simplify right side
    1,263.57x = 1,227,704.30
  5. Step 5: Solve for x
    x = 1,227,704.30/1,263.57
  6. Step 6: Final answer
    x = 971.62

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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.