Home / 1,093,670.35-1,640,505.53-987,382.15

Finding the Fourth Proportional to 1,093,670.35, 1,640,505.53 and 987,382.15

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Solution

The fourth proportional to 1,093,670.35, 1,640,505.53 and 987,382.15 is: 1,481,073.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,670.35 : 1,640,505.53 = 987,382.15 : x
  2. Step 2: Convert to fraction form
    1,093,670.35/1,640,505.53 = 987,382.15/x
  3. Step 3: Cross multiply
    1,093,670.35x = 1,640,505.53 × 987,382.15
  4. Step 4: Simplify right side
    1,093,670.35x = 1,619,805,872,361.38
  5. Step 5: Solve for x
    x = 1,619,805,872,361.38/1,093,670.35
  6. Step 6: Final answer
    x = 1,481,073.23

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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.