Home / 1,192,178.46-1,645,139.79-682,913.64

Finding the Fourth Proportional to 1,192,178.46, 1,645,139.79 and 682,913.64

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Solution

The fourth proportional to 1,192,178.46, 1,645,139.79 and 682,913.64 is: 942,382.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,178.46 : 1,645,139.79 = 682,913.64 : x
  2. Step 2: Convert to fraction form
    1,192,178.46/1,645,139.79 = 682,913.64/x
  3. Step 3: Cross multiply
    1,192,178.46x = 1,645,139.79 × 682,913.64
  4. Step 4: Simplify right side
    1,192,178.46x = 1,123,488,402,297.74
  5. Step 5: Solve for x
    x = 1,123,488,402,297.74/1,192,178.46
  6. Step 6: Final answer
    x = 942,382.74

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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.