Home / 1,294,576.21-1,940,517.06-725,122.45

Finding the Fourth Proportional to 1,294,576.21, 1,940,517.06 and 725,122.45

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Solution

The fourth proportional to 1,294,576.21, 1,940,517.06 and 725,122.45 is: 1,086,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,576.21 : 1,940,517.06 = 725,122.45 : x
  2. Step 2: Convert to fraction form
    1,294,576.21/1,940,517.06 = 725,122.45/x
  3. Step 3: Cross multiply
    1,294,576.21x = 1,940,517.06 × 725,122.45
  4. Step 4: Simplify right side
    1,294,576.21x = 1,407,112,484,814.00
  5. Step 5: Solve for x
    x = 1,407,112,484,814.00/1,294,576.21
  6. Step 6: Final answer
    x = 1,086,929.05

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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.