Home / 1,622,201.72-2,434,765.10-864,674.12

Finding the Fourth Proportional to 1,622,201.72, 2,434,765.10 and 864,674.12

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Solution

The fourth proportional to 1,622,201.72, 2,434,765.10 and 864,674.12 is: 1,297,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,201.72 : 2,434,765.10 = 864,674.12 : x
  2. Step 2: Convert to fraction form
    1,622,201.72/2,434,765.10 = 864,674.12/x
  3. Step 3: Cross multiply
    1,622,201.72x = 2,434,765.10 × 864,674.12
  4. Step 4: Simplify right side
    1,622,201.72x = 2,105,278,372,012.75
  5. Step 5: Solve for x
    x = 2,105,278,372,012.75/1,622,201.72
  6. Step 6: Final answer
    x = 1,297,790.74

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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.