Home / 1,539,049.42-2,123,883.75-859,986.46

Finding the Fourth Proportional to 1,539,049.42, 2,123,883.75 and 859,986.46

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Solution

The fourth proportional to 1,539,049.42, 2,123,883.75 and 859,986.46 is: 1,186,778.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,049.42 : 2,123,883.75 = 859,986.46 : x
  2. Step 2: Convert to fraction form
    1,539,049.42/2,123,883.75 = 859,986.46/x
  3. Step 3: Cross multiply
    1,539,049.42x = 2,123,883.75 × 859,986.46
  4. Step 4: Simplify right side
    1,539,049.42x = 1,826,511,267,614.03
  5. Step 5: Solve for x
    x = 1,826,511,267,614.03/1,539,049.42
  6. Step 6: Final answer
    x = 1,186,778.83

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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.