Home / 1,294,577.21-1,940,518.56-725,123.45

Finding the Fourth Proportional to 1,294,577.21, 1,940,518.56 and 725,123.45

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Solution

The fourth proportional to 1,294,577.21, 1,940,518.56 and 725,123.45 is: 1,086,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,577.21 : 1,940,518.56 = 725,123.45 : x
  2. Step 2: Convert to fraction form
    1,294,577.21/1,940,518.56 = 725,123.45/x
  3. Step 3: Cross multiply
    1,294,577.21x = 1,940,518.56 × 725,123.45
  4. Step 4: Simplify right side
    1,294,577.21x = 1,407,115,513,016.23
  5. Step 5: Solve for x
    x = 1,407,115,513,016.23/1,294,577.21
  6. Step 6: Final answer
    x = 1,086,930.55

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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.