Home / 1,213,313.64-1,674,381.80-669,469.62

Finding the Fourth Proportional to 1,213,313.64, 1,674,381.80 and 669,469.62

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Solution

The fourth proportional to 1,213,313.64, 1,674,381.80 and 669,469.62 is: 923,873.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,313.64 : 1,674,381.80 = 669,469.62 : x
  2. Step 2: Convert to fraction form
    1,213,313.64/1,674,381.80 = 669,469.62/x
  3. Step 3: Cross multiply
    1,213,313.64x = 1,674,381.80 × 669,469.62
  4. Step 4: Simplify right side
    1,213,313.64x = 1,120,947,744,033.57
  5. Step 5: Solve for x
    x = 1,120,947,744,033.57/1,213,313.64
  6. Step 6: Final answer
    x = 923,873.03

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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.