Home / 1,219,223.34-1,682,509.32-667,934.64

Finding the Fourth Proportional to 1,219,223.34, 1,682,509.32 and 667,934.64

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Solution

The fourth proportional to 1,219,223.34, 1,682,509.32 and 667,934.64 is: 921,739.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,223.34 : 1,682,509.32 = 667,934.64 : x
  2. Step 2: Convert to fraction form
    1,219,223.34/1,682,509.32 = 667,934.64/x
  3. Step 3: Cross multiply
    1,219,223.34x = 1,682,509.32 × 667,934.64
  4. Step 4: Simplify right side
    1,219,223.34x = 1,123,806,256,950.85
  5. Step 5: Solve for x
    x = 1,123,806,256,950.85/1,219,223.34
  6. Step 6: Final answer
    x = 921,739.46

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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.