Home / 1,022,824.25-1,412,102.94-909,333.53

Finding the Fourth Proportional to 1,022,824.25, 1,412,102.94 and 909,333.53

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Solution

The fourth proportional to 1,022,824.25, 1,412,102.94 and 909,333.53 is: 1,255,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,824.25 : 1,412,102.94 = 909,333.53 : x
  2. Step 2: Convert to fraction form
    1,022,824.25/1,412,102.94 = 909,333.53/x
  3. Step 3: Cross multiply
    1,022,824.25x = 1,412,102.94 × 909,333.53
  4. Step 4: Simplify right side
    1,022,824.25x = 1,284,072,551,153.58
  5. Step 5: Solve for x
    x = 1,284,072,551,153.58/1,022,824.25
  6. Step 6: Final answer
    x = 1,255,418.56

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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.