Home / 1,330,388.20-1,992,957.90-796,322.80

Finding the Fourth Proportional to 1,330,388.20, 1,992,957.90 and 796,322.80

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Solution

The fourth proportional to 1,330,388.20, 1,992,957.90 and 796,322.80 is: 1,192,913.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,388.20 : 1,992,957.90 = 796,322.80 : x
  2. Step 2: Convert to fraction form
    1,330,388.20/1,992,957.90 = 796,322.80/x
  3. Step 3: Cross multiply
    1,330,388.20x = 1,992,957.90 × 796,322.80
  4. Step 4: Simplify right side
    1,330,388.20x = 1,587,037,815,210.12
  5. Step 5: Solve for x
    x = 1,587,037,815,210.12/1,330,388.20
  6. Step 6: Final answer
    x = 1,192,913.33

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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.