Home / 1,432,249.20-1,976,464.48-787,669.44

Finding the Fourth Proportional to 1,432,249.20, 1,976,464.48 and 787,669.44

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Solution

The fourth proportional to 1,432,249.20, 1,976,464.48 and 787,669.44 is: 1,086,962.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,249.20 : 1,976,464.48 = 787,669.44 : x
  2. Step 2: Convert to fraction form
    1,432,249.20/1,976,464.48 = 787,669.44/x
  3. Step 3: Cross multiply
    1,432,249.20x = 1,976,464.48 × 787,669.44
  4. Step 4: Simplify right side
    1,432,249.20x = 1,556,800,670,141.49
  5. Step 5: Solve for x
    x = 1,556,800,670,141.49/1,432,249.20
  6. Step 6: Final answer
    x = 1,086,962.15

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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.