Home / 1,263.55-1,895.31-605.27

Finding the Fourth Proportional to 1,263.55, 1,895.31 and 605.27

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Solution

The fourth proportional to 1,263.55, 1,895.31 and 605.27 is: 907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.55 : 1,895.31 = 605.27 : x
  2. Step 2: Convert to fraction form
    1,263.55/1,895.31 = 605.27/x
  3. Step 3: Cross multiply
    1,263.55x = 1,895.31 × 605.27
  4. Step 4: Simplify right side
    1,263.55x = 1,147,174.28
  5. Step 5: Solve for x
    x = 1,147,174.28/1,263.55
  6. Step 6: Final answer
    x = 907.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.