Home / 1,375,886.52-1,898,770.90-764,049.52

Finding the Fourth Proportional to 1,375,886.52, 1,898,770.90 and 764,049.52

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Solution

The fourth proportional to 1,375,886.52, 1,898,770.90 and 764,049.52 is: 1,054,414.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,886.52 : 1,898,770.90 = 764,049.52 : x
  2. Step 2: Convert to fraction form
    1,375,886.52/1,898,770.90 = 764,049.52/x
  3. Step 3: Cross multiply
    1,375,886.52x = 1,898,770.90 × 764,049.52
  4. Step 4: Simplify right side
    1,375,886.52x = 1,450,754,994,734.97
  5. Step 5: Solve for x
    x = 1,450,754,994,734.97/1,375,886.52
  6. Step 6: Final answer
    x = 1,054,414.72

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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.