Home / 1,555,507.92-2,146,667.04-867,179.64

Finding the Fourth Proportional to 1,555,507.92, 2,146,667.04 and 867,179.64

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Solution

The fourth proportional to 1,555,507.92, 2,146,667.04 and 867,179.64 is: 1,196,744.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,507.92 : 2,146,667.04 = 867,179.64 : x
  2. Step 2: Convert to fraction form
    1,555,507.92/2,146,667.04 = 867,179.64/x
  3. Step 3: Cross multiply
    1,555,507.92x = 2,146,667.04 × 867,179.64
  4. Step 4: Simplify right side
    1,555,507.92x = 1,861,545,950,947.07
  5. Step 5: Solve for x
    x = 1,861,545,950,947.07/1,555,507.92
  6. Step 6: Final answer
    x = 1,196,744.76

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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.