Home / 1,410,938.20-2,115,794.92-512,081.20

Finding the Fourth Proportional to 1,410,938.20, 2,115,794.92 and 512,081.20

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Solution

The fourth proportional to 1,410,938.20, 2,115,794.92 and 512,081.20 is: 767,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,938.20 : 2,115,794.92 = 512,081.20 : x
  2. Step 2: Convert to fraction form
    1,410,938.20/2,115,794.92 = 512,081.20/x
  3. Step 3: Cross multiply
    1,410,938.20x = 2,115,794.92 × 512,081.20
  4. Step 4: Simplify right side
    1,410,938.20x = 1,083,458,801,587.50
  5. Step 5: Solve for x
    x = 1,083,458,801,587.50/1,410,938.20
  6. Step 6: Final answer
    x = 767,899.54

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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.