Home / 1,396,408.60-2,094,612.90-864,967.60

Finding the Fourth Proportional to 1,396,408.60, 2,094,612.90 and 864,967.60

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Solution

The fourth proportional to 1,396,408.60, 2,094,612.90 and 864,967.60 is: 1,297,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,408.60 : 2,094,612.90 = 864,967.60 : x
  2. Step 2: Convert to fraction form
    1,396,408.60/2,094,612.90 = 864,967.60/x
  3. Step 3: Cross multiply
    1,396,408.60x = 2,094,612.90 × 864,967.60
  4. Step 4: Simplify right side
    1,396,408.60x = 1,811,772,293,042.04
  5. Step 5: Solve for x
    x = 1,811,772,293,042.04/1,396,408.60
  6. Step 6: Final answer
    x = 1,297,451.40

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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.