Home / 1,432,454.93-1,976,825.20-787,892.04

Finding the Fourth Proportional to 1,432,454.93, 1,976,825.20 and 787,892.04

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Solution

The fourth proportional to 1,432,454.93, 1,976,825.20 and 787,892.04 is: 1,087,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,454.93 : 1,976,825.20 = 787,892.04 : x
  2. Step 2: Convert to fraction form
    1,432,454.93/1,976,825.20 = 787,892.04/x
  3. Step 3: Cross multiply
    1,432,454.93x = 1,976,825.20 × 787,892.04
  4. Step 4: Simplify right side
    1,432,454.93x = 1,557,524,833,499.15
  5. Step 5: Solve for x
    x = 1,557,524,833,499.15/1,432,454.93
  6. Step 6: Final answer
    x = 1,087,311.58

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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.