Home / 1,432,253.97-1,976,471.01-787,674.15

Finding the Fourth Proportional to 1,432,253.97, 1,976,471.01 and 787,674.15

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Solution

The fourth proportional to 1,432,253.97, 1,976,471.01 and 787,674.15 is: 1,086,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,253.97 : 1,976,471.01 = 787,674.15 : x
  2. Step 2: Convert to fraction form
    1,432,253.97/1,976,471.01 = 787,674.15/x
  3. Step 3: Cross multiply
    1,432,253.97x = 1,976,471.01 × 787,674.15
  4. Step 4: Simplify right side
    1,432,253.97x = 1,556,815,122,801.39
  5. Step 5: Solve for x
    x = 1,556,815,122,801.39/1,432,253.97
  6. Step 6: Final answer
    x = 1,086,968.62

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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.