Home / 1,393,143.23-2,089,908.57-494,371.32

Finding the Fourth Proportional to 1,393,143.23, 2,089,908.57 and 494,371.32

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Solution

The fourth proportional to 1,393,143.23, 2,089,908.57 and 494,371.32 is: 741,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,143.23 : 2,089,908.57 = 494,371.32 : x
  2. Step 2: Convert to fraction form
    1,393,143.23/2,089,908.57 = 494,371.32/x
  3. Step 3: Cross multiply
    1,393,143.23x = 2,089,908.57 × 494,371.32
  4. Step 4: Simplify right side
    1,393,143.23x = 1,033,190,852,446.95
  5. Step 5: Solve for x
    x = 1,033,190,852,446.95/1,393,143.23
  6. Step 6: Final answer
    x = 741,625.72

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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.