Home / 1,684,987.20-2,527,480.80-486,948.60

Finding the Fourth Proportional to 1,684,987.20, 2,527,480.80 and 486,948.60

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Solution

The fourth proportional to 1,684,987.20, 2,527,480.80 and 486,948.60 is: 730,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,987.20 : 2,527,480.80 = 486,948.60 : x
  2. Step 2: Convert to fraction form
    1,684,987.20/2,527,480.80 = 486,948.60/x
  3. Step 3: Cross multiply
    1,684,987.20x = 2,527,480.80 × 486,948.60
  4. Step 4: Simplify right side
    1,684,987.20x = 1,230,753,237,086.88
  5. Step 5: Solve for x
    x = 1,230,753,237,086.88/1,684,987.20
  6. Step 6: Final answer
    x = 730,422.90

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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.