Home / 841,940.54-1,263,709.24-521,121.97

Finding the Fourth Proportional to 841,940.54, 1,263,709.24 and 521,121.97

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Solution

The fourth proportional to 841,940.54, 1,263,709.24 and 521,121.97 is: 782,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,940.54 : 1,263,709.24 = 521,121.97 : x
  2. Step 2: Convert to fraction form
    841,940.54/1,263,709.24 = 521,121.97/x
  3. Step 3: Cross multiply
    841,940.54x = 1,263,709.24 × 521,121.97
  4. Step 4: Simplify right side
    841,940.54x = 658,546,644,291.66
  5. Step 5: Solve for x
    x = 658,546,644,291.66/841,940.54
  6. Step 6: Final answer
    x = 782,177.14

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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.