Home / 1,263.70-1,743.89-704.14

Finding the Fourth Proportional to 1,263.70, 1,743.89 and 704.14

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Solution

The fourth proportional to 1,263.70, 1,743.89 and 704.14 is: 971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.70 : 1,743.89 = 704.14 : x
  2. Step 2: Convert to fraction form
    1,263.70/1,743.89 = 704.14/x
  3. Step 3: Cross multiply
    1,263.70x = 1,743.89 × 704.14
  4. Step 4: Simplify right side
    1,263.70x = 1,227,940.11
  5. Step 5: Solve for x
    x = 1,227,940.11/1,263.70
  6. Step 6: Final answer
    x = 971.70

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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.