Home / 1,661,200.20-2,492,966.70-715,249.80

Finding the Fourth Proportional to 1,661,200.20, 2,492,966.70 and 715,249.80

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Solution

The fourth proportional to 1,661,200.20, 2,492,966.70 and 715,249.80 is: 1,073,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,200.20 : 2,492,966.70 = 715,249.80 : x
  2. Step 2: Convert to fraction form
    1,661,200.20/2,492,966.70 = 715,249.80/x
  3. Step 3: Cross multiply
    1,661,200.20x = 2,492,966.70 × 715,249.80
  4. Step 4: Simplify right side
    1,661,200.20x = 1,783,093,933,581.66
  5. Step 5: Solve for x
    x = 1,783,093,933,581.66/1,661,200.20
  6. Step 6: Final answer
    x = 1,073,376.91

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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.