Home / 1,213,255.98-1,674,288.53-669,425.61

Finding the Fourth Proportional to 1,213,255.98, 1,674,288.53 and 669,425.61

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Solution

The fourth proportional to 1,213,255.98, 1,674,288.53 and 669,425.61 is: 923,804.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,255.98 : 1,674,288.53 = 669,425.61 : x
  2. Step 2: Convert to fraction form
    1,213,255.98/1,674,288.53 = 669,425.61/x
  3. Step 3: Cross multiply
    1,213,255.98x = 1,674,288.53 × 669,425.61
  4. Step 4: Simplify right side
    1,213,255.98x = 1,120,811,617,164.13
  5. Step 5: Solve for x
    x = 1,120,811,617,164.13/1,213,255.98
  6. Step 6: Final answer
    x = 923,804.73

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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.