Home / 1,107,616.83-1,661,425.03-266,168.58

Finding the Fourth Proportional to 1,107,616.83, 1,661,425.03 and 266,168.58

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Solution

The fourth proportional to 1,107,616.83, 1,661,425.03 and 266,168.58 is: 399,252.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,616.83 : 1,661,425.03 = 266,168.58 : x
  2. Step 2: Convert to fraction form
    1,107,616.83/1,661,425.03 = 266,168.58/x
  3. Step 3: Cross multiply
    1,107,616.83x = 1,661,425.03 × 266,168.58
  4. Step 4: Simplify right side
    1,107,616.83x = 442,219,141,011.56
  5. Step 5: Solve for x
    x = 442,219,141,011.56/1,107,616.83
  6. Step 6: Final answer
    x = 399,252.82

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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.