Home / 1,131,880.23-1,694,981.09-676,190.43

Finding the Fourth Proportional to 1,131,880.23, 1,694,981.09 and 676,190.43

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Solution

The fourth proportional to 1,131,880.23, 1,694,981.09 and 676,190.43 is: 1,012,589.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,880.23 : 1,694,981.09 = 676,190.43 : x
  2. Step 2: Convert to fraction form
    1,131,880.23/1,694,981.09 = 676,190.43/x
  3. Step 3: Cross multiply
    1,131,880.23x = 1,694,981.09 × 676,190.43
  4. Step 4: Simplify right side
    1,131,880.23x = 1,146,129,988,708.02
  5. Step 5: Solve for x
    x = 1,146,129,988,708.02/1,131,880.23
  6. Step 6: Final answer
    x = 1,012,589.46

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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.