Home / 1,609,902.80-2,415,145.80-809,169.20

Finding the Fourth Proportional to 1,609,902.80, 2,415,145.80 and 809,169.20

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Solution

The fourth proportional to 1,609,902.80, 2,415,145.80 and 809,169.20 is: 1,213,900.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,902.80 : 2,415,145.80 = 809,169.20 : x
  2. Step 2: Convert to fraction form
    1,609,902.80/2,415,145.80 = 809,169.20/x
  3. Step 3: Cross multiply
    1,609,902.80x = 2,415,145.80 × 809,169.20
  4. Step 4: Simplify right side
    1,609,902.80x = 1,954,261,594,869.36
  5. Step 5: Solve for x
    x = 1,954,261,594,869.36/1,609,902.80
  6. Step 6: Final answer
    x = 1,213,900.36

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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.