Home / 1,265,816.64-1,746,481.52-721,754.04

Finding the Fourth Proportional to 1,265,816.64, 1,746,481.52 and 721,754.04

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Solution

The fourth proportional to 1,265,816.64, 1,746,481.52 and 721,754.04 is: 995,823.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,816.64 : 1,746,481.52 = 721,754.04 : x
  2. Step 2: Convert to fraction form
    1,265,816.64/1,746,481.52 = 721,754.04/x
  3. Step 3: Cross multiply
    1,265,816.64x = 1,746,481.52 × 721,754.04
  4. Step 4: Simplify right side
    1,265,816.64x = 1,260,530,092,845.34
  5. Step 5: Solve for x
    x = 1,260,530,092,845.34/1,265,816.64
  6. Step 6: Final answer
    x = 995,823.61

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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.