Home / 1,438,912.87-1,985,687.58-794,319.22

Finding the Fourth Proportional to 1,438,912.87, 1,985,687.58 and 794,319.22

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Solution

The fourth proportional to 1,438,912.87, 1,985,687.58 and 794,319.22 is: 1,096,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,912.87 : 1,985,687.58 = 794,319.22 : x
  2. Step 2: Convert to fraction form
    1,438,912.87/1,985,687.58 = 794,319.22/x
  3. Step 3: Cross multiply
    1,438,912.87x = 1,985,687.58 × 794,319.22
  4. Step 4: Simplify right side
    1,438,912.87x = 1,577,269,805,737.69
  5. Step 5: Solve for x
    x = 1,577,269,805,737.69/1,438,912.87
  6. Step 6: Final answer
    x = 1,096,153.80

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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.