Home / 1,330,713.20-1,993,445.40-796,647.80

Finding the Fourth Proportional to 1,330,713.20, 1,993,445.40 and 796,647.80

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Solution

The fourth proportional to 1,330,713.20, 1,993,445.40 and 796,647.80 is: 1,193,400.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,713.20 : 1,993,445.40 = 796,647.80 : x
  2. Step 2: Convert to fraction form
    1,330,713.20/1,993,445.40 = 796,647.80/x
  3. Step 3: Cross multiply
    1,330,713.20x = 1,993,445.40 × 796,647.80
  4. Step 4: Simplify right side
    1,330,713.20x = 1,588,073,892,330.12
  5. Step 5: Solve for x
    x = 1,588,073,892,330.12/1,330,713.20
  6. Step 6: Final answer
    x = 1,193,400.57

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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.