Home / 1,263.04-1,895.38-613.42

Finding the Fourth Proportional to 1,263.04, 1,895.38 and 613.42

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Solution

The fourth proportional to 1,263.04, 1,895.38 and 613.42 is: 920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263.04 : 1,895.38 = 613.42 : x
  2. Step 2: Convert to fraction form
    1,263.04/1,895.38 = 613.42/x
  3. Step 3: Cross multiply
    1,263.04x = 1,895.38 × 613.42
  4. Step 4: Simplify right side
    1,263.04x = 1,162,665.67
  5. Step 5: Solve for x
    x = 1,162,665.67/1,263.04
  6. Step 6: Final answer
    x = 920.53

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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.