Home / 1,213,381.96-1,674,453.95-669,540.67

Finding the Fourth Proportional to 1,213,381.96, 1,674,453.95 and 669,540.67

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Solution

The fourth proportional to 1,213,381.96, 1,674,453.95 and 669,540.67 is: 923,958.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,381.96 : 1,674,453.95 = 669,540.67 : x
  2. Step 2: Convert to fraction form
    1,213,381.96/1,674,453.95 = 669,540.67/x
  3. Step 3: Cross multiply
    1,213,381.96x = 1,674,453.95 × 669,540.67
  4. Step 4: Simplify right side
    1,213,381.96x = 1,121,115,019,567.15
  5. Step 5: Solve for x
    x = 1,121,115,019,567.15/1,213,381.96
  6. Step 6: Final answer
    x = 923,958.87

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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.