Home / 1,213,379.08-1,674,452.60-669,519.98

Finding the Fourth Proportional to 1,213,379.08, 1,674,452.60 and 669,519.98

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Solution

The fourth proportional to 1,213,379.08, 1,674,452.60 and 669,519.98 is: 923,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,379.08 : 1,674,452.60 = 669,519.98 : x
  2. Step 2: Convert to fraction form
    1,213,379.08/1,674,452.60 = 669,519.98/x
  3. Step 3: Cross multiply
    1,213,379.08x = 1,674,452.60 × 669,519.98
  4. Step 4: Simplify right side
    1,213,379.08x = 1,121,079,471,262.95
  5. Step 5: Solve for x
    x = 1,121,079,471,262.95/1,213,379.08
  6. Step 6: Final answer
    x = 923,931.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.