Home / 2,523,006.70-3,785,112.69-840,124.78

Finding the Fourth Proportional to 2,523,006.70, 3,785,112.69 and 840,124.78

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Solution

The fourth proportional to 2,523,006.70, 3,785,112.69 and 840,124.78 is: 1,260,387.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523,006.70 : 3,785,112.69 = 840,124.78 : x
  2. Step 2: Convert to fraction form
    2,523,006.70/3,785,112.69 = 840,124.78/x
  3. Step 3: Cross multiply
    2,523,006.70x = 3,785,112.69 × 840,124.78
  4. Step 4: Simplify right side
    2,523,006.70x = 3,179,966,965,961.46
  5. Step 5: Solve for x
    x = 3,179,966,965,961.46/2,523,006.70
  6. Step 6: Final answer
    x = 1,260,387.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.