Home / 1,213,424.21-1,674,523.42-669,559.57

Finding the Fourth Proportional to 1,213,424.21, 1,674,523.42 and 669,559.57

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Solution

The fourth proportional to 1,213,424.21, 1,674,523.42 and 669,559.57 is: 923,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,424.21 : 1,674,523.42 = 669,559.57 : x
  2. Step 2: Convert to fraction form
    1,213,424.21/1,674,523.42 = 669,559.57/x
  3. Step 3: Cross multiply
    1,213,424.21x = 1,674,523.42 × 669,559.57
  4. Step 4: Simplify right side
    1,213,424.21x = 1,121,193,175,189.92
  5. Step 5: Solve for x
    x = 1,121,193,175,189.92/1,213,424.21
  6. Step 6: Final answer
    x = 923,991.10

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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.