Home / 1,512,195-2,268,712.88-659,341.20

Finding the Fourth Proportional to 1,512,195, 2,268,712.88 and 659,341.20

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Solution

The fourth proportional to 1,512,195, 2,268,712.88 and 659,341.20 is: 989,195.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,195 : 2,268,712.88 = 659,341.20 : x
  2. Step 2: Convert to fraction form
    1,512,195/2,268,712.88 = 659,341.20/x
  3. Step 3: Cross multiply
    1,512,195x = 2,268,712.88 × 659,341.20
  4. Step 4: Simplify right side
    1,512,195x = 1,495,855,872,754.66
  5. Step 5: Solve for x
    x = 1,495,855,872,754.66/1,512,195
  6. Step 6: Final answer
    x = 989,195.09

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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.