Home / 1,088,992.75-1,504,346.75-872,638.65

Finding the Fourth Proportional to 1,088,992.75, 1,504,346.75 and 872,638.65

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Solution

The fourth proportional to 1,088,992.75, 1,504,346.75 and 872,638.65 is: 1,205,472.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,992.75 : 1,504,346.75 = 872,638.65 : x
  2. Step 2: Convert to fraction form
    1,088,992.75/1,504,346.75 = 872,638.65/x
  3. Step 3: Cross multiply
    1,088,992.75x = 1,504,346.75 × 872,638.65
  4. Step 4: Simplify right side
    1,088,992.75x = 1,312,751,117,597.29
  5. Step 5: Solve for x
    x = 1,312,751,117,597.29/1,088,992.75
  6. Step 6: Final answer
    x = 1,205,472.78

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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.