Home / 815,039.92-1,222,741.17-267,957.01

Finding the Fourth Proportional to 815,039.92, 1,222,741.17 and 267,957.01

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Solution

The fourth proportional to 815,039.92, 1,222,741.17 and 267,957.01 is: 401,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,039.92 : 1,222,741.17 = 267,957.01 : x
  2. Step 2: Convert to fraction form
    815,039.92/1,222,741.17 = 267,957.01/x
  3. Step 3: Cross multiply
    815,039.92x = 1,222,741.17 × 267,957.01
  4. Step 4: Simplify right side
    815,039.92x = 327,642,069,445.53
  5. Step 5: Solve for x
    x = 327,642,069,445.53/815,039.92
  6. Step 6: Final answer
    x = 401,995.12

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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.