Home / 1,120,247.72-1,679,825.82-372,041

Finding the Fourth Proportional to 1,120,247.72, 1,679,825.82 and 372,041

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Solution

The fourth proportional to 1,120,247.72, 1,679,825.82 and 372,041 is: 557,880.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,247.72 : 1,679,825.82 = 372,041 : x
  2. Step 2: Convert to fraction form
    1,120,247.72/1,679,825.82 = 372,041/x
  3. Step 3: Cross multiply
    1,120,247.72x = 1,679,825.82 × 372,041
  4. Step 4: Simplify right side
    1,120,247.72x = 624,964,077,898.62
  5. Step 5: Solve for x
    x = 624,964,077,898.62/1,120,247.72
  6. Step 6: Final answer
    x = 557,880.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.