Home / 1,492,786.28-2,060,066.50-813,722.76

Finding the Fourth Proportional to 1,492,786.28, 2,060,066.50 and 813,722.76

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Solution

The fourth proportional to 1,492,786.28, 2,060,066.50 and 813,722.76 is: 1,122,949.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,786.28 : 2,060,066.50 = 813,722.76 : x
  2. Step 2: Convert to fraction form
    1,492,786.28/2,060,066.50 = 813,722.76/x
  3. Step 3: Cross multiply
    1,492,786.28x = 2,060,066.50 × 813,722.76
  4. Step 4: Simplify right side
    1,492,786.28x = 1,676,322,998,163.54
  5. Step 5: Solve for x
    x = 1,676,322,998,163.54/1,492,786.28
  6. Step 6: Final answer
    x = 1,122,949.09

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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.