Home / 1,663,399.38-2,295,318.92-1,228,048.40

Finding the Fourth Proportional to 1,663,399.38, 2,295,318.92 and 1,228,048.40

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Solution

The fourth proportional to 1,663,399.38, 2,295,318.92 and 1,228,048.40 is: 1,694,579.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,399.38 : 2,295,318.92 = 1,228,048.40 : x
  2. Step 2: Convert to fraction form
    1,663,399.38/2,295,318.92 = 1,228,048.40/x
  3. Step 3: Cross multiply
    1,663,399.38x = 2,295,318.92 × 1,228,048.40
  4. Step 4: Simplify right side
    1,663,399.38x = 2,818,762,727,195.73
  5. Step 5: Solve for x
    x = 2,818,762,727,195.73/1,663,399.38
  6. Step 6: Final answer
    x = 1,694,579.64

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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.