Home / 1,489,781.58-2,055,890.80-810,722.94

Finding the Fourth Proportional to 1,489,781.58, 2,055,890.80 and 810,722.94

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Solution

The fourth proportional to 1,489,781.58, 2,055,890.80 and 810,722.94 is: 1,118,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,781.58 : 2,055,890.80 = 810,722.94 : x
  2. Step 2: Convert to fraction form
    1,489,781.58/2,055,890.80 = 810,722.94/x
  3. Step 3: Cross multiply
    1,489,781.58x = 2,055,890.80 × 810,722.94
  4. Step 4: Simplify right side
    1,489,781.58x = 1,666,757,819,361.88
  5. Step 5: Solve for x
    x = 1,666,757,819,361.88/1,489,781.58
  6. Step 6: Final answer
    x = 1,118,793.42

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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.