Home / 1,538,899.82-2,318,853.85-1,264,562.54

Finding the Fourth Proportional to 1,538,899.82, 2,318,853.85 and 1,264,562.54

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Solution

The fourth proportional to 1,538,899.82, 2,318,853.85 and 1,264,562.54 is: 1,905,475.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,899.82 : 2,318,853.85 = 1,264,562.54 : x
  2. Step 2: Convert to fraction form
    1,538,899.82/2,318,853.85 = 1,264,562.54/x
  3. Step 3: Cross multiply
    1,538,899.82x = 2,318,853.85 × 1,264,562.54
  4. Step 4: Simplify right side
    1,538,899.82x = 2,932,335,708,121.97
  5. Step 5: Solve for x
    x = 2,932,335,708,121.97/1,538,899.82
  6. Step 6: Final answer
    x = 1,905,475.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.