Home / 1,432,232.97-1,976,442.03-787,653.15

Finding the Fourth Proportional to 1,432,232.97, 1,976,442.03 and 787,653.15

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Solution

The fourth proportional to 1,432,232.97, 1,976,442.03 and 787,653.15 is: 1,086,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,232.97 : 1,976,442.03 = 787,653.15 : x
  2. Step 2: Convert to fraction form
    1,432,232.97/1,976,442.03 = 787,653.15/x
  3. Step 3: Cross multiply
    1,432,232.97x = 1,976,442.03 × 787,653.15
  4. Step 4: Simplify right side
    1,432,232.97x = 1,556,750,790,721.89
  5. Step 5: Solve for x
    x = 1,556,750,790,721.89/1,432,232.97
  6. Step 6: Final answer
    x = 1,086,939.64

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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.