Home / 1,180,487.01-1,629,161.19-721,688.43

Finding the Fourth Proportional to 1,180,487.01, 1,629,161.19 and 721,688.43

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Solution

The fourth proportional to 1,180,487.01, 1,629,161.19 and 721,688.43 is: 995,984.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,487.01 : 1,629,161.19 = 721,688.43 : x
  2. Step 2: Convert to fraction form
    1,180,487.01/1,629,161.19 = 721,688.43/x
  3. Step 3: Cross multiply
    1,180,487.01x = 1,629,161.19 × 721,688.43
  4. Step 4: Simplify right side
    1,180,487.01x = 1,175,746,781,428.03
  5. Step 5: Solve for x
    x = 1,175,746,781,428.03/1,180,487.01
  6. Step 6: Final answer
    x = 995,984.51

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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.