Home / 721,101.04-1,081,568.88-188,673.52

Finding the Fourth Proportional to 721,101.04, 1,081,568.88 and 188,673.52

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Solution

The fourth proportional to 721,101.04, 1,081,568.88 and 188,673.52 is: 282,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,101.04 : 1,081,568.88 = 188,673.52 : x
  2. Step 2: Convert to fraction form
    721,101.04/1,081,568.88 = 188,673.52/x
  3. Step 3: Cross multiply
    721,101.04x = 1,081,568.88 × 188,673.52
  4. Step 4: Simplify right side
    721,101.04x = 204,063,407,712.06
  5. Step 5: Solve for x
    x = 204,063,407,712.06/721,101.04
  6. Step 6: Final answer
    x = 282,988.65

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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.