Home / 1,490,455.82-2,235,720.46-543,826.38

Finding the Fourth Proportional to 1,490,455.82, 2,235,720.46 and 543,826.38

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Solution

The fourth proportional to 1,490,455.82, 2,235,720.46 and 543,826.38 is: 815,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,455.82 : 2,235,720.46 = 543,826.38 : x
  2. Step 2: Convert to fraction form
    1,490,455.82/2,235,720.46 = 543,826.38/x
  3. Step 3: Cross multiply
    1,490,455.82x = 2,235,720.46 × 543,826.38
  4. Step 4: Simplify right side
    1,490,455.82x = 1,215,843,764,453.73
  5. Step 5: Solve for x
    x = 1,215,843,764,453.73/1,490,455.82
  6. Step 6: Final answer
    x = 815,752.97

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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.