Home / 1,265.65-1,746.52-706.07

Finding the Fourth Proportional to 1,265.65, 1,746.52 and 706.07

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Solution

The fourth proportional to 1,265.65, 1,746.52 and 706.07 is: 974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265.65 : 1,746.52 = 706.07 : x
  2. Step 2: Convert to fraction form
    1,265.65/1,746.52 = 706.07/x
  3. Step 3: Cross multiply
    1,265.65x = 1,746.52 × 706.07
  4. Step 4: Simplify right side
    1,265.65x = 1,233,165.38
  5. Step 5: Solve for x
    x = 1,233,165.38/1,265.65
  6. Step 6: Final answer
    x = 974.33

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1.5x scale

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.