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Finding the Fourth Proportional to 1,295.40, 1,941.72 and 601.26

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Solution

The fourth proportional to 1,295.40, 1,941.72 and 601.26 is: 901.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295.40 : 1,941.72 = 601.26 : x
  2. Step 2: Convert to fraction form
    1,295.40/1,941.72 = 601.26/x
  3. Step 3: Cross multiply
    1,295.40x = 1,941.72 × 601.26
  4. Step 4: Simplify right side
    1,295.40x = 1,167,478.57
  5. Step 5: Solve for x
    x = 1,167,478.57/1,295.40
  6. Step 6: Final answer
    x = 901.25

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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.