Home / 1,002,733.78-1,383,768.93-620,684.50

Finding the Fourth Proportional to 1,002,733.78, 1,383,768.93 and 620,684.50

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Solution

The fourth proportional to 1,002,733.78, 1,383,768.93 and 620,684.50 is: 856,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,733.78 : 1,383,768.93 = 620,684.50 : x
  2. Step 2: Convert to fraction form
    1,002,733.78/1,383,768.93 = 620,684.50/x
  3. Step 3: Cross multiply
    1,002,733.78x = 1,383,768.93 × 620,684.50
  4. Step 4: Simplify right side
    1,002,733.78x = 858,883,926,432.59
  5. Step 5: Solve for x
    x = 858,883,926,432.59/1,002,733.78
  6. Step 6: Final answer
    x = 856,542.33

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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.