Home / 1,263.68-1,743.90-704.14

Finding the Fourth Proportional to 1,263.68, 1,743.90 and 704.14

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Solution

The fourth proportional to 1,263.68, 1,743.90 and 704.14 is: 971.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.68 : 1,743.90 = 704.14 : x
  2. Step 2: Convert to fraction form
    1,263.68/1,743.90 = 704.14/x
  3. Step 3: Cross multiply
    1,263.68x = 1,743.90 × 704.14
  4. Step 4: Simplify right side
    1,263.68x = 1,227,942.75
  5. Step 5: Solve for x
    x = 1,227,942.75/1,263.68
  6. Step 6: Final answer
    x = 971.72

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1.5x scale

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.