Home / 1,394,717.75-1,924,904.73-774,662.25

Finding the Fourth Proportional to 1,394,717.75, 1,924,904.73 and 774,662.25

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Solution

The fourth proportional to 1,394,717.75, 1,924,904.73 and 774,662.25 is: 1,069,141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,717.75 : 1,924,904.73 = 774,662.25 : x
  2. Step 2: Convert to fraction form
    1,394,717.75/1,924,904.73 = 774,662.25/x
  3. Step 3: Cross multiply
    1,394,717.75x = 1,924,904.73 × 774,662.25
  4. Step 4: Simplify right side
    1,394,717.75x = 1,491,151,029,177.44
  5. Step 5: Solve for x
    x = 1,491,151,029,177.44/1,394,717.75
  6. Step 6: Final answer
    x = 1,069,141.79

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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.