Home / 1,226,015.71-1,839,033.83-427,295.97

Finding the Fourth Proportional to 1,226,015.71, 1,839,033.83 and 427,295.97

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Solution

The fourth proportional to 1,226,015.71, 1,839,033.83 and 427,295.97 is: 640,947.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,015.71 : 1,839,033.83 = 427,295.97 : x
  2. Step 2: Convert to fraction form
    1,226,015.71/1,839,033.83 = 427,295.97/x
  3. Step 3: Cross multiply
    1,226,015.71x = 1,839,033.83 × 427,295.97
  4. Step 4: Simplify right side
    1,226,015.71x = 785,811,745,320.91
  5. Step 5: Solve for x
    x = 785,811,745,320.91/1,226,015.71
  6. Step 6: Final answer
    x = 640,947.53

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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.