Home / 1,265.79-1,746.89-706.44

Finding the Fourth Proportional to 1,265.79, 1,746.89 and 706.44

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Solution

The fourth proportional to 1,265.79, 1,746.89 and 706.44 is: 974.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265.79 : 1,746.89 = 706.44 : x
  2. Step 2: Convert to fraction form
    1,265.79/1,746.89 = 706.44/x
  3. Step 3: Cross multiply
    1,265.79x = 1,746.89 × 706.44
  4. Step 4: Simplify right side
    1,265.79x = 1,234,072.97
  5. Step 5: Solve for x
    x = 1,234,072.97/1,265.79
  6. Step 6: Final answer
    x = 974.94

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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.