Home / 1,540,581.12-2,310,405.12-418,504.32

Finding the Fourth Proportional to 1,540,581.12, 2,310,405.12 and 418,504.32

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Solution

The fourth proportional to 1,540,581.12, 2,310,405.12 and 418,504.32 is: 627,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,581.12 : 2,310,405.12 = 418,504.32 : x
  2. Step 2: Convert to fraction form
    1,540,581.12/2,310,405.12 = 418,504.32/x
  3. Step 3: Cross multiply
    1,540,581.12x = 2,310,405.12 × 418,504.32
  4. Step 4: Simplify right side
    1,540,581.12x = 966,914,523,670.12
  5. Step 5: Solve for x
    x = 966,914,523,670.12/1,540,581.12
  6. Step 6: Final answer
    x = 627,629.74

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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.