Home / 1,587,982.80-2,382,665.40-800,014.80

Finding the Fourth Proportional to 1,587,982.80, 2,382,665.40 and 800,014.80

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Solution

The fourth proportional to 1,587,982.80, 2,382,665.40 and 800,014.80 is: 1,200,370.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,982.80 : 2,382,665.40 = 800,014.80 : x
  2. Step 2: Convert to fraction form
    1,587,982.80/2,382,665.40 = 800,014.80/x
  3. Step 3: Cross multiply
    1,587,982.80x = 2,382,665.40 × 800,014.80
  4. Step 4: Simplify right side
    1,587,982.80x = 1,906,167,583,447.92
  5. Step 5: Solve for x
    x = 1,906,167,583,447.92/1,587,982.80
  6. Step 6: Final answer
    x = 1,200,370.42

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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.