Home / 1,690,750.53-2,333,235.78-926,787.69

Finding the Fourth Proportional to 1,690,750.53, 2,333,235.78 and 926,787.69

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Solution

The fourth proportional to 1,690,750.53, 2,333,235.78 and 926,787.69 is: 1,278,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,750.53 : 2,333,235.78 = 926,787.69 : x
  2. Step 2: Convert to fraction form
    1,690,750.53/2,333,235.78 = 926,787.69/x
  3. Step 3: Cross multiply
    1,690,750.53x = 2,333,235.78 × 926,787.69
  4. Step 4: Simplify right side
    1,690,750.53x = 2,162,414,198,771.55
  5. Step 5: Solve for x
    x = 2,162,414,198,771.55/1,690,750.53
  6. Step 6: Final answer
    x = 1,278,967.04

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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.