Home / 1,690,317.90-2,332,625.31-926,369.64

Finding the Fourth Proportional to 1,690,317.90, 2,332,625.31 and 926,369.64

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Solution

The fourth proportional to 1,690,317.90, 2,332,625.31 and 926,369.64 is: 1,278,382.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,317.90 : 2,332,625.31 = 926,369.64 : x
  2. Step 2: Convert to fraction form
    1,690,317.90/2,332,625.31 = 926,369.64/x
  3. Step 3: Cross multiply
    1,690,317.90x = 2,332,625.31 × 926,369.64
  4. Step 4: Simplify right side
    1,690,317.90x = 2,160,873,268,679.59
  5. Step 5: Solve for x
    x = 2,160,873,268,679.59/1,690,317.90
  6. Step 6: Final answer
    x = 1,278,382.76

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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.