Home / 1,157,238.65-1,597,005.84-667,198.46

Finding the Fourth Proportional to 1,157,238.65, 1,597,005.84 and 667,198.46

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Solution

The fourth proportional to 1,157,238.65, 1,597,005.84 and 667,198.46 is: 920,743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,238.65 : 1,597,005.84 = 667,198.46 : x
  2. Step 2: Convert to fraction form
    1,157,238.65/1,597,005.84 = 667,198.46/x
  3. Step 3: Cross multiply
    1,157,238.65x = 1,597,005.84 × 667,198.46
  4. Step 4: Simplify right side
    1,157,238.65x = 1,065,519,829,073.98
  5. Step 5: Solve for x
    x = 1,065,519,829,073.98/1,157,238.65
  6. Step 6: Final answer
    x = 920,743.39

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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.