Home / 756,311.40-1,134,467.10-673,642.80

Finding the Fourth Proportional to 756,311.40, 1,134,467.10 and 673,642.80

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Solution

The fourth proportional to 756,311.40, 1,134,467.10 and 673,642.80 is: 1,010,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,311.40 : 1,134,467.10 = 673,642.80 : x
  2. Step 2: Convert to fraction form
    756,311.40/1,134,467.10 = 673,642.80/x
  3. Step 3: Cross multiply
    756,311.40x = 1,134,467.10 × 673,642.80
  4. Step 4: Simplify right side
    756,311.40x = 764,225,593,751.88
  5. Step 5: Solve for x
    x = 764,225,593,751.88/756,311.40
  6. Step 6: Final answer
    x = 1,010,464.20

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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.