Home / 1,690,671.45-2,333,216.04-926,757.21

Finding the Fourth Proportional to 1,690,671.45, 2,333,216.04 and 926,757.21

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Solution

The fourth proportional to 1,690,671.45, 2,333,216.04 and 926,757.21 is: 1,278,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,671.45 : 2,333,216.04 = 926,757.21 : x
  2. Step 2: Convert to fraction form
    1,690,671.45/2,333,216.04 = 926,757.21/x
  3. Step 3: Cross multiply
    1,690,671.45x = 2,333,216.04 × 926,757.21
  4. Step 4: Simplify right side
    1,690,671.45x = 2,162,324,787,557.65
  5. Step 5: Solve for x
    x = 2,162,324,787,557.65/1,690,671.45
  6. Step 6: Final answer
    x = 1,278,973.98

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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.