Home / 946,013.60-1,420,658.80-667,485.60

Finding the Fourth Proportional to 946,013.60, 1,420,658.80 and 667,485.60

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Solution

The fourth proportional to 946,013.60, 1,420,658.80 and 667,485.60 is: 1,002,384.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,013.60 : 1,420,658.80 = 667,485.60 : x
  2. Step 2: Convert to fraction form
    946,013.60/1,420,658.80 = 667,485.60/x
  3. Step 3: Cross multiply
    946,013.60x = 1,420,658.80 × 667,485.60
  4. Step 4: Simplify right side
    946,013.60x = 948,269,291,513.28
  5. Step 5: Solve for x
    x = 948,269,291,513.28/946,013.60
  6. Step 6: Final answer
    x = 1,002,384.42

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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.