Home / 1,684,155.20-2,526,232.80-486,116.60

Finding the Fourth Proportional to 1,684,155.20, 2,526,232.80 and 486,116.60

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Solution

The fourth proportional to 1,684,155.20, 2,526,232.80 and 486,116.60 is: 729,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,155.20 : 2,526,232.80 = 486,116.60 : x
  2. Step 2: Convert to fraction form
    1,684,155.20/2,526,232.80 = 486,116.60/x
  3. Step 3: Cross multiply
    1,684,155.20x = 2,526,232.80 × 486,116.60
  4. Step 4: Simplify right side
    1,684,155.20x = 1,228,043,699,544.48
  5. Step 5: Solve for x
    x = 1,228,043,699,544.48/1,684,155.20
  6. Step 6: Final answer
    x = 729,174.90

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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.