Home / 1,086,350.80-1,629,518.10-328,190.80

Finding the Fourth Proportional to 1,086,350.80, 1,629,518.10 and 328,190.80

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Solution

The fourth proportional to 1,086,350.80, 1,629,518.10 and 328,190.80 is: 492,283.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,350.80 : 1,629,518.10 = 328,190.80 : x
  2. Step 2: Convert to fraction form
    1,086,350.80/1,629,518.10 = 328,190.80/x
  3. Step 3: Cross multiply
    1,086,350.80x = 1,629,518.10 × 328,190.80
  4. Step 4: Simplify right side
    1,086,350.80x = 534,792,848,853.48
  5. Step 5: Solve for x
    x = 534,792,848,853.48/1,086,350.80
  6. Step 6: Final answer
    x = 492,283.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.