Home / 1,213,004.40-1,816,882.20-787,851.60

Finding the Fourth Proportional to 1,213,004.40, 1,816,882.20 and 787,851.60

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Solution

The fourth proportional to 1,213,004.40, 1,816,882.20 and 787,851.60 is: 1,180,072.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,004.40 : 1,816,882.20 = 787,851.60 : x
  2. Step 2: Convert to fraction form
    1,213,004.40/1,816,882.20 = 787,851.60/x
  3. Step 3: Cross multiply
    1,213,004.40x = 1,816,882.20 × 787,851.60
  4. Step 4: Simplify right side
    1,213,004.40x = 1,431,433,548,281.52
  5. Step 5: Solve for x
    x = 1,431,433,548,281.52/1,213,004.40
  6. Step 6: Final answer
    x = 1,180,072.84

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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.