Home / 1,296,749.70-1,945,413.99-398,282.31

Finding the Fourth Proportional to 1,296,749.70, 1,945,413.99 and 398,282.31

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Solution

The fourth proportional to 1,296,749.70, 1,945,413.99 and 398,282.31 is: 597,512.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,749.70 : 1,945,413.99 = 398,282.31 : x
  2. Step 2: Convert to fraction form
    1,296,749.70/1,945,413.99 = 398,282.31/x
  3. Step 3: Cross multiply
    1,296,749.70x = 1,945,413.99 × 398,282.31
  4. Step 4: Simplify right side
    1,296,749.70x = 774,823,977,843.52
  5. Step 5: Solve for x
    x = 774,823,977,843.52/1,296,749.70
  6. Step 6: Final answer
    x = 597,512.36

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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.