Home / 1,285,839.36-1,926,892.80-723,673.44

Finding the Fourth Proportional to 1,285,839.36, 1,926,892.80 and 723,673.44

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Solution

The fourth proportional to 1,285,839.36, 1,926,892.80 and 723,673.44 is: 1,084,459.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,839.36 : 1,926,892.80 = 723,673.44 : x
  2. Step 2: Convert to fraction form
    1,285,839.36/1,926,892.80 = 723,673.44/x
  3. Step 3: Cross multiply
    1,285,839.36x = 1,926,892.80 × 723,673.44
  4. Step 4: Simplify right side
    1,285,839.36x = 1,394,441,141,087.23
  5. Step 5: Solve for x
    x = 1,394,441,141,087.23/1,285,839.36
  6. Step 6: Final answer
    x = 1,084,459.84

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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.