Home / 1,432,481.49-1,976,825.46-787,950.72

Finding the Fourth Proportional to 1,432,481.49, 1,976,825.46 and 787,950.72

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Solution

The fourth proportional to 1,432,481.49, 1,976,825.46 and 787,950.72 is: 1,087,372.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,481.49 : 1,976,825.46 = 787,950.72 : x
  2. Step 2: Convert to fraction form
    1,432,481.49/1,976,825.46 = 787,950.72/x
  3. Step 3: Cross multiply
    1,432,481.49x = 1,976,825.46 × 787,950.72
  4. Step 4: Simplify right side
    1,432,481.49x = 1,557,641,034,637.20
  5. Step 5: Solve for x
    x = 1,557,641,034,637.20/1,432,481.49
  6. Step 6: Final answer
    x = 1,087,372.54

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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.