Home / 1,216,163.20-1,824,763.20-767,228.80

Finding the Fourth Proportional to 1,216,163.20, 1,824,763.20 and 767,228.80

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Solution

The fourth proportional to 1,216,163.20, 1,824,763.20 and 767,228.80 is: 1,151,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,163.20 : 1,824,763.20 = 767,228.80 : x
  2. Step 2: Convert to fraction form
    1,216,163.20/1,824,763.20 = 767,228.80/x
  3. Step 3: Cross multiply
    1,216,163.20x = 1,824,763.20 × 767,228.80
  4. Step 4: Simplify right side
    1,216,163.20x = 1,400,010,880,220.16
  5. Step 5: Solve for x
    x = 1,400,010,880,220.16/1,216,163.20
  6. Step 6: Final answer
    x = 1,151,170.24

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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.