Home / 1,015,222.80-1,522,396.80-509,588.40

Finding the Fourth Proportional to 1,015,222.80, 1,522,396.80 and 509,588.40

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Solution

The fourth proportional to 1,015,222.80, 1,522,396.80 and 509,588.40 is: 764,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,222.80 : 1,522,396.80 = 509,588.40 : x
  2. Step 2: Convert to fraction form
    1,015,222.80/1,522,396.80 = 509,588.40/x
  3. Step 3: Cross multiply
    1,015,222.80x = 1,522,396.80 × 509,588.40
  4. Step 4: Simplify right side
    1,015,222.80x = 775,795,749,477.12
  5. Step 5: Solve for x
    x = 775,795,749,477.12/1,015,222.80
  6. Step 6: Final answer
    x = 764,163.05

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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.