Home / 1,181,717.62-1,630,749.45-672,409.06

Finding the Fourth Proportional to 1,181,717.62, 1,630,749.45 and 672,409.06

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Solution

The fourth proportional to 1,181,717.62, 1,630,749.45 and 672,409.06 is: 927,912.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,717.62 : 1,630,749.45 = 672,409.06 : x
  2. Step 2: Convert to fraction form
    1,181,717.62/1,630,749.45 = 672,409.06/x
  3. Step 3: Cross multiply
    1,181,717.62x = 1,630,749.45 × 672,409.06
  4. Step 4: Simplify right side
    1,181,717.62x = 1,096,530,704,770.02
  5. Step 5: Solve for x
    x = 1,096,530,704,770.02/1,181,717.62
  6. Step 6: Final answer
    x = 927,912.63

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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.