Home / 1,690,324.90-2,332,634.97-926,376.64

Finding the Fourth Proportional to 1,690,324.90, 2,332,634.97 and 926,376.64

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Solution

The fourth proportional to 1,690,324.90, 2,332,634.97 and 926,376.64 is: 1,278,392.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,324.90 : 2,332,634.97 = 926,376.64 : x
  2. Step 2: Convert to fraction form
    1,690,324.90/2,332,634.97 = 926,376.64/x
  3. Step 3: Cross multiply
    1,690,324.90x = 2,332,634.97 × 926,376.64
  4. Step 4: Simplify right side
    1,690,324.90x = 2,160,898,545,855.10
  5. Step 5: Solve for x
    x = 2,160,898,545,855.10/1,690,324.90
  6. Step 6: Final answer
    x = 1,278,392.42

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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.