Home / 1,202,734.90-1,659,776.12-658,858.75

Finding the Fourth Proportional to 1,202,734.90, 1,659,776.12 and 658,858.75

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Solution

The fourth proportional to 1,202,734.90, 1,659,776.12 and 658,858.75 is: 909,226.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,734.90 : 1,659,776.12 = 658,858.75 : x
  2. Step 2: Convert to fraction form
    1,202,734.90/1,659,776.12 = 658,858.75/x
  3. Step 3: Cross multiply
    1,202,734.90x = 1,659,776.12 × 658,858.75
  4. Step 4: Simplify right side
    1,202,734.90x = 1,093,558,019,703.05
  5. Step 5: Solve for x
    x = 1,093,558,019,703.05/1,202,734.90
  6. Step 6: Final answer
    x = 909,226.15

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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.