Home / 1,263.55-1,743.69-704.03

Finding the Fourth Proportional to 1,263.55, 1,743.69 and 704.03

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Solution

The fourth proportional to 1,263.55, 1,743.69 and 704.03 is: 971.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.55 : 1,743.69 = 704.03 : x
  2. Step 2: Convert to fraction form
    1,263.55/1,743.69 = 704.03/x
  3. Step 3: Cross multiply
    1,263.55x = 1,743.69 × 704.03
  4. Step 4: Simplify right side
    1,263.55x = 1,227,603.99
  5. Step 5: Solve for x
    x = 1,227,603.99/1,263.55
  6. Step 6: Final answer
    x = 971.55

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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.