Home / 1,108,745.87-1,662,864.54-310,083.85

Finding the Fourth Proportional to 1,108,745.87, 1,662,864.54 and 310,083.85

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Solution

The fourth proportional to 1,108,745.87, 1,662,864.54 and 310,083.85 is: 465,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,745.87 : 1,662,864.54 = 310,083.85 : x
  2. Step 2: Convert to fraction form
    1,108,745.87/1,662,864.54 = 310,083.85/x
  3. Step 3: Cross multiply
    1,108,745.87x = 1,662,864.54 × 310,083.85
  4. Step 4: Simplify right side
    1,108,745.87x = 515,627,431,898.05
  5. Step 5: Solve for x
    x = 515,627,431,898.05/1,108,745.87
  6. Step 6: Final answer
    x = 465,054.66

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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.