Home / 1,330,363.20-1,992,920.40-796,297.80

Finding the Fourth Proportional to 1,330,363.20, 1,992,920.40 and 796,297.80

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Solution

The fourth proportional to 1,330,363.20, 1,992,920.40 and 796,297.80 is: 1,192,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,363.20 : 1,992,920.40 = 796,297.80 : x
  2. Step 2: Convert to fraction form
    1,330,363.20/1,992,920.40 = 796,297.80/x
  3. Step 3: Cross multiply
    1,330,363.20x = 1,992,920.40 × 796,297.80
  4. Step 4: Simplify right side
    1,330,363.20x = 1,586,958,130,095.12
  5. Step 5: Solve for x
    x = 1,586,958,130,095.12/1,330,363.20
  6. Step 6: Final answer
    x = 1,192,875.85

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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.