Home / 1,169,322.78-1,613,670.78-632,778.78

Finding the Fourth Proportional to 1,169,322.78, 1,613,670.78 and 632,778.78

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Solution

The fourth proportional to 1,169,322.78, 1,613,670.78 and 632,778.78 is: 873,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,322.78 : 1,613,670.78 = 632,778.78 : x
  2. Step 2: Convert to fraction form
    1,169,322.78/1,613,670.78 = 632,778.78/x
  3. Step 3: Cross multiply
    1,169,322.78x = 1,613,670.78 × 632,778.78
  4. Step 4: Simplify right side
    1,169,322.78x = 1,021,096,627,490.05
  5. Step 5: Solve for x
    x = 1,021,096,627,490.05/1,169,322.78
  6. Step 6: Final answer
    x = 873,237.61

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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.