Home / 1,216,165.20-1,824,766.20-767,230.80

Finding the Fourth Proportional to 1,216,165.20, 1,824,766.20 and 767,230.80

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Solution

The fourth proportional to 1,216,165.20, 1,824,766.20 and 767,230.80 is: 1,151,173.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,165.20 : 1,824,766.20 = 767,230.80 : x
  2. Step 2: Convert to fraction form
    1,216,165.20/1,824,766.20 = 767,230.80/x
  3. Step 3: Cross multiply
    1,216,165.20x = 1,824,766.20 × 767,230.80
  4. Step 4: Simplify right side
    1,216,165.20x = 1,400,016,831,438.96
  5. Step 5: Solve for x
    x = 1,400,016,831,438.96/1,216,165.20
  6. Step 6: Final answer
    x = 1,151,173.24

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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.