Home / 1,253,745.38-1,880,749.29-412,362.74

Finding the Fourth Proportional to 1,253,745.38, 1,880,749.29 and 412,362.74

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Solution

The fourth proportional to 1,253,745.38, 1,880,749.29 and 412,362.74 is: 618,587.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,745.38 : 1,880,749.29 = 412,362.74 : x
  2. Step 2: Convert to fraction form
    1,253,745.38/1,880,749.29 = 412,362.74/x
  3. Step 3: Cross multiply
    1,253,745.38x = 1,880,749.29 × 412,362.74
  4. Step 4: Simplify right side
    1,253,745.38x = 775,550,930,477.46
  5. Step 5: Solve for x
    x = 775,550,930,477.46/1,253,745.38
  6. Step 6: Final answer
    x = 618,587.27

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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.