Home / 1,330,698.20-1,993,422.90-796,632.80

Finding the Fourth Proportional to 1,330,698.20, 1,993,422.90 and 796,632.80

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Solution

The fourth proportional to 1,330,698.20, 1,993,422.90 and 796,632.80 is: 1,193,378.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,698.20 : 1,993,422.90 = 796,632.80 : x
  2. Step 2: Convert to fraction form
    1,330,698.20/1,993,422.90 = 796,632.80/x
  3. Step 3: Cross multiply
    1,330,698.20x = 1,993,422.90 × 796,632.80
  4. Step 4: Simplify right side
    1,330,698.20x = 1,588,026,066,411.12
  5. Step 5: Solve for x
    x = 1,588,026,066,411.12/1,330,698.20
  6. Step 6: Final answer
    x = 1,193,378.08

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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.