Home / 1,609,991.80-2,414,987.70-1,208,458.60

Finding the Fourth Proportional to 1,609,991.80, 2,414,987.70 and 1,208,458.60

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Solution

The fourth proportional to 1,609,991.80, 2,414,987.70 and 1,208,458.60 is: 1,812,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,991.80 : 2,414,987.70 = 1,208,458.60 : x
  2. Step 2: Convert to fraction form
    1,609,991.80/2,414,987.70 = 1,208,458.60/x
  3. Step 3: Cross multiply
    1,609,991.80x = 2,414,987.70 × 1,208,458.60
  4. Step 4: Simplify right side
    1,609,991.80x = 2,918,412,654,959.22
  5. Step 5: Solve for x
    x = 2,918,412,654,959.22/1,609,991.80
  6. Step 6: Final answer
    x = 1,812,687.90

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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.