Home / 1,086,544.80-1,629,809.10-328,384.80

Finding the Fourth Proportional to 1,086,544.80, 1,629,809.10 and 328,384.80

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Solution

The fourth proportional to 1,086,544.80, 1,629,809.10 and 328,384.80 is: 492,574.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,544.80 : 1,629,809.10 = 328,384.80 : x
  2. Step 2: Convert to fraction form
    1,086,544.80/1,629,809.10 = 328,384.80/x
  3. Step 3: Cross multiply
    1,086,544.80x = 1,629,809.10 × 328,384.80
  4. Step 4: Simplify right side
    1,086,544.80x = 535,204,535,341.68
  5. Step 5: Solve for x
    x = 535,204,535,341.68/1,086,544.80
  6. Step 6: Final answer
    x = 492,574.75

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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.