Home / 1,105,251.25-1,657,876.78-306,532.78

Finding the Fourth Proportional to 1,105,251.25, 1,657,876.78 and 306,532.78

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Solution

The fourth proportional to 1,105,251.25, 1,657,876.78 and 306,532.78 is: 459,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,251.25 : 1,657,876.78 = 306,532.78 : x
  2. Step 2: Convert to fraction form
    1,105,251.25/1,657,876.78 = 306,532.78/x
  3. Step 3: Cross multiply
    1,105,251.25x = 1,657,876.78 × 306,532.78
  4. Step 4: Simplify right side
    1,105,251.25x = 508,193,578,270.85
  5. Step 5: Solve for x
    x = 508,193,578,270.85/1,105,251.25
  6. Step 6: Final answer
    x = 459,799.14

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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.