Home / 1,294,578.21-1,940,520.06-725,124.45

Finding the Fourth Proportional to 1,294,578.21, 1,940,520.06 and 725,124.45

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Solution

The fourth proportional to 1,294,578.21, 1,940,520.06 and 725,124.45 is: 1,086,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,578.21 : 1,940,520.06 = 725,124.45 : x
  2. Step 2: Convert to fraction form
    1,294,578.21/1,940,520.06 = 725,124.45/x
  3. Step 3: Cross multiply
    1,294,578.21x = 1,940,520.06 × 725,124.45
  4. Step 4: Simplify right side
    1,294,578.21x = 1,407,118,541,221.47
  5. Step 5: Solve for x
    x = 1,407,118,541,221.47/1,294,578.21
  6. Step 6: Final answer
    x = 1,086,932.05

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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.