Home / 1,435,795.88-1,981,411.62-791,239.20

Finding the Fourth Proportional to 1,435,795.88, 1,981,411.62 and 791,239.20

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Solution

The fourth proportional to 1,435,795.88, 1,981,411.62 and 791,239.20 is: 1,091,917.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,795.88 : 1,981,411.62 = 791,239.20 : x
  2. Step 2: Convert to fraction form
    1,435,795.88/1,981,411.62 = 791,239.20/x
  3. Step 3: Cross multiply
    1,435,795.88x = 1,981,411.62 × 791,239.20
  4. Step 4: Simplify right side
    1,435,795.88x = 1,567,770,545,079.50
  5. Step 5: Solve for x
    x = 1,567,770,545,079.50/1,435,795.88
  6. Step 6: Final answer
    x = 1,091,917.43

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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.