Home / 1,206,939.46-1,810,408.92-308,382.88

Finding the Fourth Proportional to 1,206,939.46, 1,810,408.92 and 308,382.88

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Solution

The fourth proportional to 1,206,939.46, 1,810,408.92 and 308,382.88 is: 462,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,939.46 : 1,810,408.92 = 308,382.88 : x
  2. Step 2: Convert to fraction form
    1,206,939.46/1,810,408.92 = 308,382.88/x
  3. Step 3: Cross multiply
    1,206,939.46x = 1,810,408.92 × 308,382.88
  4. Step 4: Simplify right side
    1,206,939.46x = 558,299,116,727.29
  5. Step 5: Solve for x
    x = 558,299,116,727.29/1,206,939.46
  6. Step 6: Final answer
    x = 462,574.25

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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.