Home / 2,662,300.80-3,993,451.20-769,233.60

Finding the Fourth Proportional to 2,662,300.80, 3,993,451.20 and 769,233.60

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Solution

The fourth proportional to 2,662,300.80, 3,993,451.20 and 769,233.60 is: 1,153,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662,300.80 : 3,993,451.20 = 769,233.60 : x
  2. Step 2: Convert to fraction form
    2,662,300.80/3,993,451.20 = 769,233.60/x
  3. Step 3: Cross multiply
    2,662,300.80x = 3,993,451.20 × 769,233.60
  4. Step 4: Simplify right side
    2,662,300.80x = 3,071,896,843,000.32
  5. Step 5: Solve for x
    x = 3,071,896,843,000.32/2,662,300.80
  6. Step 6: Final answer
    x = 1,153,850.40

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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.