Home / 1,332,896.23-1,839,391.22-721,047.45

Finding the Fourth Proportional to 1,332,896.23, 1,839,391.22 and 721,047.45

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Solution

The fourth proportional to 1,332,896.23, 1,839,391.22 and 721,047.45 is: 995,042.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,896.23 : 1,839,391.22 = 721,047.45 : x
  2. Step 2: Convert to fraction form
    1,332,896.23/1,839,391.22 = 721,047.45/x
  3. Step 3: Cross multiply
    1,332,896.23x = 1,839,391.22 × 721,047.45
  4. Step 4: Simplify right side
    1,332,896.23x = 1,326,288,350,536.01
  5. Step 5: Solve for x
    x = 1,326,288,350,536.01/1,332,896.23
  6. Step 6: Final answer
    x = 995,042.47

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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.