Home / 1,436,716.20-2,155,074.30-876,844.20

Finding the Fourth Proportional to 1,436,716.20, 2,155,074.30 and 876,844.20

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Solution

The fourth proportional to 1,436,716.20, 2,155,074.30 and 876,844.20 is: 1,315,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,716.20 : 2,155,074.30 = 876,844.20 : x
  2. Step 2: Convert to fraction form
    1,436,716.20/2,155,074.30 = 876,844.20/x
  3. Step 3: Cross multiply
    1,436,716.20x = 2,155,074.30 × 876,844.20
  4. Step 4: Simplify right side
    1,436,716.20x = 1,889,664,400,524.06
  5. Step 5: Solve for x
    x = 1,889,664,400,524.06/1,436,716.20
  6. Step 6: Final answer
    x = 1,315,266.30

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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.