Home / 2,285,986.80-3,426,579.84-769,143.12

Finding the Fourth Proportional to 2,285,986.80, 3,426,579.84 and 769,143.12

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Solution

The fourth proportional to 2,285,986.80, 3,426,579.84 and 769,143.12 is: 1,152,907.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285,986.80 : 3,426,579.84 = 769,143.12 : x
  2. Step 2: Convert to fraction form
    2,285,986.80/3,426,579.84 = 769,143.12/x
  3. Step 3: Cross multiply
    2,285,986.80x = 3,426,579.84 × 769,143.12
  4. Step 4: Simplify right side
    2,285,986.80x = 2,635,530,309,066.70
  5. Step 5: Solve for x
    x = 2,635,530,309,066.70/2,285,986.80
  6. Step 6: Final answer
    x = 1,152,907.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.