Home / 1,435,661.33-1,981,299.62-791,080.74

Finding the Fourth Proportional to 1,435,661.33, 1,981,299.62 and 791,080.74

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Solution

The fourth proportional to 1,435,661.33, 1,981,299.62 and 791,080.74 is: 1,091,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,661.33 : 1,981,299.62 = 791,080.74 : x
  2. Step 2: Convert to fraction form
    1,435,661.33/1,981,299.62 = 791,080.74/x
  3. Step 3: Cross multiply
    1,435,661.33x = 1,981,299.62 × 791,080.74
  4. Step 4: Simplify right side
    1,435,661.33x = 1,567,367,971,529.02
  5. Step 5: Solve for x
    x = 1,567,367,971,529.02/1,435,661.33
  6. Step 6: Final answer
    x = 1,091,739.36

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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.