Home / 1,682,433.20-2,321,745.98-918,486.77

Finding the Fourth Proportional to 1,682,433.20, 2,321,745.98 and 918,486.77

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Solution

The fourth proportional to 1,682,433.20, 2,321,745.98 and 918,486.77 is: 1,267,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,433.20 : 2,321,745.98 = 918,486.77 : x
  2. Step 2: Convert to fraction form
    1,682,433.20/2,321,745.98 = 918,486.77/x
  3. Step 3: Cross multiply
    1,682,433.20x = 2,321,745.98 × 918,486.77
  4. Step 4: Simplify right side
    1,682,433.20x = 2,132,492,949,729.52
  5. Step 5: Solve for x
    x = 2,132,492,949,729.52/1,682,433.20
  6. Step 6: Final answer
    x = 1,267,505.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.