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Finding the Fourth Proportional to 1,293.46, 1,940.36 and 600.03

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Solution

The fourth proportional to 1,293.46, 1,940.36 and 600.03 is: 900.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293.46 : 1,940.36 = 600.03 : x
  2. Step 2: Convert to fraction form
    1,293.46/1,940.36 = 600.03/x
  3. Step 3: Cross multiply
    1,293.46x = 1,940.36 × 600.03
  4. Step 4: Simplify right side
    1,293.46x = 1,164,271.21
  5. Step 5: Solve for x
    x = 1,164,271.21/1,293.46
  6. Step 6: Final answer
    x = 900.12

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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.