Home / 1,432,243.44-1,976,456.49-787,663.56

Finding the Fourth Proportional to 1,432,243.44, 1,976,456.49 and 787,663.56

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Solution

The fourth proportional to 1,432,243.44, 1,976,456.49 and 787,663.56 is: 1,086,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,243.44 : 1,976,456.49 = 787,663.56 : x
  2. Step 2: Convert to fraction form
    1,432,243.44/1,976,456.49 = 787,663.56/x
  3. Step 3: Cross multiply
    1,432,243.44x = 1,976,456.49 × 787,663.56
  4. Step 4: Simplify right side
    1,432,243.44x = 1,556,782,755,098.50
  5. Step 5: Solve for x
    x = 1,556,782,755,098.50/1,432,243.44
  6. Step 6: Final answer
    x = 1,086,954.01

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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.