Home / 1,435,623.89-1,981,249.22-791,043.91

Finding the Fourth Proportional to 1,435,623.89, 1,981,249.22 and 791,043.91

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Solution

The fourth proportional to 1,435,623.89, 1,981,249.22 and 791,043.91 is: 1,091,689.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,623.89 : 1,981,249.22 = 791,043.91 : x
  2. Step 2: Convert to fraction form
    1,435,623.89/1,981,249.22 = 791,043.91/x
  3. Step 3: Cross multiply
    1,435,623.89x = 1,981,249.22 × 791,043.91
  4. Step 4: Simplify right side
    1,435,623.89x = 1,567,255,120,764.91
  5. Step 5: Solve for x
    x = 1,567,255,120,764.91/1,435,623.89
  6. Step 6: Final answer
    x = 1,091,689.22

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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.