Home / 2,686,231.20-4,029,346.80-792,969.60

Finding the Fourth Proportional to 2,686,231.20, 4,029,346.80 and 792,969.60

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Solution

The fourth proportional to 2,686,231.20, 4,029,346.80 and 792,969.60 is: 1,189,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,231.20 : 4,029,346.80 = 792,969.60 : x
  2. Step 2: Convert to fraction form
    2,686,231.20/4,029,346.80 = 792,969.60/x
  3. Step 3: Cross multiply
    2,686,231.20x = 4,029,346.80 × 792,969.60
  4. Step 4: Simplify right side
    2,686,231.20x = 3,195,149,520,257.28
  5. Step 5: Solve for x
    x = 3,195,149,520,257.28/2,686,231.20
  6. Step 6: Final answer
    x = 1,189,454.40

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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.