Home / 1,088,993.75-1,504,348.13-872,639.65

Finding the Fourth Proportional to 1,088,993.75, 1,504,348.13 and 872,639.65

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Solution

The fourth proportional to 1,088,993.75, 1,504,348.13 and 872,639.65 is: 1,205,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,993.75 : 1,504,348.13 = 872,639.65 : x
  2. Step 2: Convert to fraction form
    1,088,993.75/1,504,348.13 = 872,639.65/x
  3. Step 3: Cross multiply
    1,088,993.75x = 1,504,348.13 × 872,639.65
  4. Step 4: Simplify right side
    1,088,993.75x = 1,312,753,825,641.35
  5. Step 5: Solve for x
    x = 1,312,753,825,641.35/1,088,993.75
  6. Step 6: Final answer
    x = 1,205,474.16

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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.