Home / 1,561,865.62-2,340,124.82-852,391.88

Finding the Fourth Proportional to 1,561,865.62, 2,340,124.82 and 852,391.88

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Solution

The fourth proportional to 1,561,865.62, 2,340,124.82 and 852,391.88 is: 1,277,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,865.62 : 2,340,124.82 = 852,391.88 : x
  2. Step 2: Convert to fraction form
    1,561,865.62/2,340,124.82 = 852,391.88/x
  3. Step 3: Cross multiply
    1,561,865.62x = 2,340,124.82 × 852,391.88
  4. Step 4: Simplify right side
    1,561,865.62x = 1,994,703,399,539.28
  5. Step 5: Solve for x
    x = 1,994,703,399,539.28/1,561,865.62
  6. Step 6: Final answer
    x = 1,277,128.70

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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.