Home / 1,690,324.40-2,332,634.28-926,376.14

Finding the Fourth Proportional to 1,690,324.40, 2,332,634.28 and 926,376.14

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Solution

The fourth proportional to 1,690,324.40, 2,332,634.28 and 926,376.14 is: 1,278,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,324.40 : 2,332,634.28 = 926,376.14 : x
  2. Step 2: Convert to fraction form
    1,690,324.40/2,332,634.28 = 926,376.14/x
  3. Step 3: Cross multiply
    1,690,324.40x = 2,332,634.28 × 926,376.14
  4. Step 4: Simplify right side
    1,690,324.40x = 2,160,896,740,338.08
  5. Step 5: Solve for x
    x = 2,160,896,740,338.08/1,690,324.40
  6. Step 6: Final answer
    x = 1,278,391.73

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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.