Home / 1,107,579.42-1,660,734.90-658,613.84

Finding the Fourth Proportional to 1,107,579.42, 1,660,734.90 and 658,613.84

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Solution

The fourth proportional to 1,107,579.42, 1,660,734.90 and 658,613.84 is: 987,543.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,579.42 : 1,660,734.90 = 658,613.84 : x
  2. Step 2: Convert to fraction form
    1,107,579.42/1,660,734.90 = 658,613.84/x
  3. Step 3: Cross multiply
    1,107,579.42x = 1,660,734.90 × 658,613.84
  4. Step 4: Simplify right side
    1,107,579.42x = 1,093,782,981,407.34
  5. Step 5: Solve for x
    x = 1,093,782,981,407.34/1,107,579.42
  6. Step 6: Final answer
    x = 987,543.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.