Home / 1,311,709.19-1,967,634.18-413,221.23

Finding the Fourth Proportional to 1,311,709.19, 1,967,634.18 and 413,221.23

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Solution

The fourth proportional to 1,311,709.19, 1,967,634.18 and 413,221.23 is: 619,854.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,709.19 : 1,967,634.18 = 413,221.23 : x
  2. Step 2: Convert to fraction form
    1,311,709.19/1,967,634.18 = 413,221.23/x
  3. Step 3: Cross multiply
    1,311,709.19x = 1,967,634.18 × 413,221.23
  4. Step 4: Simplify right side
    1,311,709.19x = 813,068,216,049.64
  5. Step 5: Solve for x
    x = 813,068,216,049.64/1,311,709.19
  6. Step 6: Final answer
    x = 619,854.02

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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.