Home / 1,213,255.73-1,674,288.18-669,425.36

Finding the Fourth Proportional to 1,213,255.73, 1,674,288.18 and 669,425.36

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Solution

The fourth proportional to 1,213,255.73, 1,674,288.18 and 669,425.36 is: 923,804.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,255.73 : 1,674,288.18 = 669,425.36 : x
  2. Step 2: Convert to fraction form
    1,213,255.73/1,674,288.18 = 669,425.36/x
  3. Step 3: Cross multiply
    1,213,255.73x = 1,674,288.18 × 669,425.36
  4. Step 4: Simplify right side
    1,213,255.73x = 1,120,810,967,640.24
  5. Step 5: Solve for x
    x = 1,120,810,967,640.24/1,213,255.73
  6. Step 6: Final answer
    x = 923,804.39

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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.