Home / 1,212,243.84-1,672,782.30-702,891

Finding the Fourth Proportional to 1,212,243.84, 1,672,782.30 and 702,891

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Solution

The fourth proportional to 1,212,243.84, 1,672,782.30 and 702,891 is: 969,923.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,243.84 : 1,672,782.30 = 702,891 : x
  2. Step 2: Convert to fraction form
    1,212,243.84/1,672,782.30 = 702,891/x
  3. Step 3: Cross multiply
    1,212,243.84x = 1,672,782.30 × 702,891
  4. Step 4: Simplify right side
    1,212,243.84x = 1,175,783,623,629.30
  5. Step 5: Solve for x
    x = 1,175,783,623,629.30/1,212,243.84
  6. Step 6: Final answer
    x = 969,923.36

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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.