Home / 1,353,464.85-2,030,198.79-406,835.55

Finding the Fourth Proportional to 1,353,464.85, 2,030,198.79 and 406,835.55

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Solution

The fourth proportional to 1,353,464.85, 2,030,198.79 and 406,835.55 is: 610,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,464.85 : 2,030,198.79 = 406,835.55 : x
  2. Step 2: Convert to fraction form
    1,353,464.85/2,030,198.79 = 406,835.55/x
  3. Step 3: Cross multiply
    1,353,464.85x = 2,030,198.79 × 406,835.55
  4. Step 4: Simplify right side
    1,353,464.85x = 825,957,041,338.99
  5. Step 5: Solve for x
    x = 825,957,041,338.99/1,353,464.85
  6. Step 6: Final answer
    x = 610,253.78

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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.