Home / 1,809,379.28-2,709,935.20-863,414.32

Finding the Fourth Proportional to 1,809,379.28, 2,709,935.20 and 863,414.32

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Solution

The fourth proportional to 1,809,379.28, 2,709,935.20 and 863,414.32 is: 1,293,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,379.28 : 2,709,935.20 = 863,414.32 : x
  2. Step 2: Convert to fraction form
    1,809,379.28/2,709,935.20 = 863,414.32/x
  3. Step 3: Cross multiply
    1,809,379.28x = 2,709,935.20 × 863,414.32
  4. Step 4: Simplify right side
    1,809,379.28x = 2,339,796,857,952.06
  5. Step 5: Solve for x
    x = 2,339,796,857,952.06/1,809,379.28
  6. Step 6: Final answer
    x = 1,293,148.92

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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.