Home / 1,330,709.20-1,993,439.40-796,643.80

Finding the Fourth Proportional to 1,330,709.20, 1,993,439.40 and 796,643.80

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Solution

The fourth proportional to 1,330,709.20, 1,993,439.40 and 796,643.80 is: 1,193,394.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,709.20 : 1,993,439.40 = 796,643.80 : x
  2. Step 2: Convert to fraction form
    1,330,709.20/1,993,439.40 = 796,643.80/x
  3. Step 3: Cross multiply
    1,330,709.20x = 1,993,439.40 × 796,643.80
  4. Step 4: Simplify right side
    1,330,709.20x = 1,588,061,138,685.72
  5. Step 5: Solve for x
    x = 1,588,061,138,685.72/1,330,709.20
  6. Step 6: Final answer
    x = 1,193,394.57

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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.