Home / 1,123,991.24-1,685,198.32-413,928.23

Finding the Fourth Proportional to 1,123,991.24, 1,685,198.32 and 413,928.23

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Solution

The fourth proportional to 1,123,991.24, 1,685,198.32 and 413,928.23 is: 620,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,991.24 : 1,685,198.32 = 413,928.23 : x
  2. Step 2: Convert to fraction form
    1,123,991.24/1,685,198.32 = 413,928.23/x
  3. Step 3: Cross multiply
    1,123,991.24x = 1,685,198.32 × 413,928.23
  4. Step 4: Simplify right side
    1,123,991.24x = 697,551,148,335.76
  5. Step 5: Solve for x
    x = 697,551,148,335.76/1,123,991.24
  6. Step 6: Final answer
    x = 620,601.95

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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.