Home / 1,684,084.26-2,324,009.16-920,121.42

Finding the Fourth Proportional to 1,684,084.26, 2,324,009.16 and 920,121.42

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Solution

The fourth proportional to 1,684,084.26, 2,324,009.16 and 920,121.42 is: 1,269,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,084.26 : 2,324,009.16 = 920,121.42 : x
  2. Step 2: Convert to fraction form
    1,684,084.26/2,324,009.16 = 920,121.42/x
  3. Step 3: Cross multiply
    1,684,084.26x = 2,324,009.16 × 920,121.42
  4. Step 4: Simplify right side
    1,684,084.26x = 2,138,370,608,392.21
  5. Step 5: Solve for x
    x = 2,138,370,608,392.21/1,684,084.26
  6. Step 6: Final answer
    x = 1,269,752.74

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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.