Home / 1,509,904.80-2,264,857.20-1,226,469.60

Finding the Fourth Proportional to 1,509,904.80, 2,264,857.20 and 1,226,469.60

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Solution

The fourth proportional to 1,509,904.80, 2,264,857.20 and 1,226,469.60 is: 1,839,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,904.80 : 2,264,857.20 = 1,226,469.60 : x
  2. Step 2: Convert to fraction form
    1,509,904.80/2,264,857.20 = 1,226,469.60/x
  3. Step 3: Cross multiply
    1,509,904.80x = 2,264,857.20 × 1,226,469.60
  4. Step 4: Simplify right side
    1,509,904.80x = 2,777,778,504,141.12
  5. Step 5: Solve for x
    x = 2,777,778,504,141.12/1,509,904.80
  6. Step 6: Final answer
    x = 1,839,704.40

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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.