Home / 1,332,896.48-1,839,391.57-721,047.70

Finding the Fourth Proportional to 1,332,896.48, 1,839,391.57 and 721,047.70

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Solution

The fourth proportional to 1,332,896.48, 1,839,391.57 and 721,047.70 is: 995,042.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,896.48 : 1,839,391.57 = 721,047.70 : x
  2. Step 2: Convert to fraction form
    1,332,896.48/1,839,391.57 = 721,047.70/x
  3. Step 3: Cross multiply
    1,332,896.48x = 1,839,391.57 × 721,047.70
  4. Step 4: Simplify right side
    1,332,896.48x = 1,326,289,060,947.89
  5. Step 5: Solve for x
    x = 1,326,289,060,947.89/1,332,896.48
  6. Step 6: Final answer
    x = 995,042.81

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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.