Home / 1,202,128.70-1,802,777.92-348,969.06

Finding the Fourth Proportional to 1,202,128.70, 1,802,777.92 and 348,969.06

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Solution

The fourth proportional to 1,202,128.70, 1,802,777.92 and 348,969.06 is: 523,333.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,128.70 : 1,802,777.92 = 348,969.06 : x
  2. Step 2: Convert to fraction form
    1,202,128.70/1,802,777.92 = 348,969.06/x
  3. Step 3: Cross multiply
    1,202,128.70x = 1,802,777.92 × 348,969.06
  4. Step 4: Simplify right side
    1,202,128.70x = 629,113,715,258.73
  5. Step 5: Solve for x
    x = 629,113,715,258.73/1,202,128.70
  6. Step 6: Final answer
    x = 523,333.08

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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.