Home / 1,389,207.09-2,084,058.50-491,170.22

Finding the Fourth Proportional to 1,389,207.09, 2,084,058.50 and 491,170.22

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Solution

The fourth proportional to 1,389,207.09, 2,084,058.50 and 491,170.22 is: 736,842.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,207.09 : 2,084,058.50 = 491,170.22 : x
  2. Step 2: Convert to fraction form
    1,389,207.09/2,084,058.50 = 491,170.22/x
  3. Step 3: Cross multiply
    1,389,207.09x = 2,084,058.50 × 491,170.22
  4. Step 4: Simplify right side
    1,389,207.09x = 1,023,627,471,937.87
  5. Step 5: Solve for x
    x = 1,023,627,471,937.87/1,389,207.09
  6. Step 6: Final answer
    x = 736,842.97

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Double scale
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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.