Home / 1,317,043.52-1,975,520.18-558,396.46

Finding the Fourth Proportional to 1,317,043.52, 1,975,520.18 and 558,396.46

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Solution

The fourth proportional to 1,317,043.52, 1,975,520.18 and 558,396.46 is: 837,575.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,043.52 : 1,975,520.18 = 558,396.46 : x
  2. Step 2: Convert to fraction form
    1,317,043.52/1,975,520.18 = 558,396.46/x
  3. Step 3: Cross multiply
    1,317,043.52x = 1,975,520.18 × 558,396.46
  4. Step 4: Simplify right side
    1,317,043.52x = 1,103,123,469,553.55
  5. Step 5: Solve for x
    x = 1,103,123,469,553.55/1,317,043.52
  6. Step 6: Final answer
    x = 837,575.56

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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.