Home / 1,690,084.46-2,332,240.44-926,121.62

Finding the Fourth Proportional to 1,690,084.46, 2,332,240.44 and 926,121.62

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Solution

The fourth proportional to 1,690,084.46, 2,332,240.44 and 926,121.62 is: 1,278,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,084.46 : 2,332,240.44 = 926,121.62 : x
  2. Step 2: Convert to fraction form
    1,690,084.46/2,332,240.44 = 926,121.62/x
  3. Step 3: Cross multiply
    1,690,084.46x = 2,332,240.44 × 926,121.62
  4. Step 4: Simplify right side
    1,690,084.46x = 2,159,938,291,007.02
  5. Step 5: Solve for x
    x = 2,159,938,291,007.02/1,690,084.46
  6. Step 6: Final answer
    x = 1,278,006.13

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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.