Home / 1,086,319.80-1,629,471.60-328,159.80

Finding the Fourth Proportional to 1,086,319.80, 1,629,471.60 and 328,159.80

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Solution

The fourth proportional to 1,086,319.80, 1,629,471.60 and 328,159.80 is: 492,237.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,319.80 : 1,629,471.60 = 328,159.80 : x
  2. Step 2: Convert to fraction form
    1,086,319.80/1,629,471.60 = 328,159.80/x
  3. Step 3: Cross multiply
    1,086,319.80x = 1,629,471.60 × 328,159.80
  4. Step 4: Simplify right side
    1,086,319.80x = 534,727,074,361.68
  5. Step 5: Solve for x
    x = 534,727,074,361.68/1,086,319.80
  6. Step 6: Final answer
    x = 492,237.25

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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.