Home / 1,086,305.80-1,629,450.60-328,145.80

Finding the Fourth Proportional to 1,086,305.80, 1,629,450.60 and 328,145.80

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Solution

The fourth proportional to 1,086,305.80, 1,629,450.60 and 328,145.80 is: 492,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,305.80 : 1,629,450.60 = 328,145.80 : x
  2. Step 2: Convert to fraction form
    1,086,305.80/1,629,450.60 = 328,145.80/x
  3. Step 3: Cross multiply
    1,086,305.80x = 1,629,450.60 × 328,145.80
  4. Step 4: Simplify right side
    1,086,305.80x = 534,697,370,697.48
  5. Step 5: Solve for x
    x = 534,697,370,697.48/1,086,305.80
  6. Step 6: Final answer
    x = 492,216.25

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1.5x scale

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.