Home / 1,212,235.88-1,818,157.26-572,538.92

Finding the Fourth Proportional to 1,212,235.88, 1,818,157.26 and 572,538.92

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Solution

The fourth proportional to 1,212,235.88, 1,818,157.26 and 572,538.92 is: 858,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,235.88 : 1,818,157.26 = 572,538.92 : x
  2. Step 2: Convert to fraction form
    1,212,235.88/1,818,157.26 = 572,538.92/x
  3. Step 3: Cross multiply
    1,212,235.88x = 1,818,157.26 × 572,538.92
  4. Step 4: Simplify right side
    1,212,235.88x = 1,040,965,794,030.56
  5. Step 5: Solve for x
    x = 1,040,965,794,030.56/1,212,235.88
  6. Step 6: Final answer
    x = 858,715.54

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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.