Home / 1,021,613.31-1,532,507.85-263,447.91

Finding the Fourth Proportional to 1,021,613.31, 1,532,507.85 and 263,447.91

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Solution

The fourth proportional to 1,021,613.31, 1,532,507.85 and 263,447.91 is: 395,194.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,613.31 : 1,532,507.85 = 263,447.91 : x
  2. Step 2: Convert to fraction form
    1,021,613.31/1,532,507.85 = 263,447.91/x
  3. Step 3: Cross multiply
    1,021,613.31x = 1,532,507.85 × 263,447.91
  4. Step 4: Simplify right side
    1,021,613.31x = 403,735,990,141.09
  5. Step 5: Solve for x
    x = 403,735,990,141.09/1,021,613.31
  6. Step 6: Final answer
    x = 395,194.53

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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.