Home / 1,135,438.48-1,701,229.65-685,213.21

Finding the Fourth Proportional to 1,135,438.48, 1,701,229.65 and 685,213.21

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Solution

The fourth proportional to 1,135,438.48, 1,701,229.65 and 685,213.21 is: 1,026,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,438.48 : 1,701,229.65 = 685,213.21 : x
  2. Step 2: Convert to fraction form
    1,135,438.48/1,701,229.65 = 685,213.21/x
  3. Step 3: Cross multiply
    1,135,438.48x = 1,701,229.65 × 685,213.21
  4. Step 4: Simplify right side
    1,135,438.48x = 1,165,705,029,423.68
  5. Step 5: Solve for x
    x = 1,165,705,029,423.68/1,135,438.48
  6. Step 6: Final answer
    x = 1,026,656.27

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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.