Home / 1,761,149.80-2,431,599.78-1,302,365.80

Finding the Fourth Proportional to 1,761,149.80, 2,431,599.78 and 1,302,365.80

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Solution

The fourth proportional to 1,761,149.80, 2,431,599.78 and 1,302,365.80 is: 1,798,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,149.80 : 2,431,599.78 = 1,302,365.80 : x
  2. Step 2: Convert to fraction form
    1,761,149.80/2,431,599.78 = 1,302,365.80/x
  3. Step 3: Cross multiply
    1,761,149.80x = 2,431,599.78 × 1,302,365.80
  4. Step 4: Simplify right side
    1,761,149.80x = 3,166,832,392,759.52
  5. Step 5: Solve for x
    x = 3,166,832,392,759.52/1,761,149.80
  6. Step 6: Final answer
    x = 1,798,161.86

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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.