Home / 1,002,734.78-1,383,770.31-620,685.50

Finding the Fourth Proportional to 1,002,734.78, 1,383,770.31 and 620,685.50

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Solution

The fourth proportional to 1,002,734.78, 1,383,770.31 and 620,685.50 is: 856,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,734.78 : 1,383,770.31 = 620,685.50 : x
  2. Step 2: Convert to fraction form
    1,002,734.78/1,383,770.31 = 620,685.50/x
  3. Step 3: Cross multiply
    1,002,734.78x = 1,383,770.31 × 620,685.50
  4. Step 4: Simplify right side
    1,002,734.78x = 858,886,166,747.51
  5. Step 5: Solve for x
    x = 858,886,166,747.51/1,002,734.78
  6. Step 6: Final answer
    x = 856,543.71

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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.