Home / 1,214,924.75-1,676,596.16-678,380.75

Finding the Fourth Proportional to 1,214,924.75, 1,676,596.16 and 678,380.75

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Solution

The fourth proportional to 1,214,924.75, 1,676,596.16 and 678,380.75 is: 936,165.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,924.75 : 1,676,596.16 = 678,380.75 : x
  2. Step 2: Convert to fraction form
    1,214,924.75/1,676,596.16 = 678,380.75/x
  3. Step 3: Cross multiply
    1,214,924.75x = 1,676,596.16 × 678,380.75
  4. Step 4: Simplify right side
    1,214,924.75x = 1,137,370,560,467.92
  5. Step 5: Solve for x
    x = 1,137,370,560,467.92/1,214,924.75
  6. Step 6: Final answer
    x = 936,165.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.