Home / 1,180,138.29-1,628,588.43-663,892.53

Finding the Fourth Proportional to 1,180,138.29, 1,628,588.43 and 663,892.53

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Solution

The fourth proportional to 1,180,138.29, 1,628,588.43 and 663,892.53 is: 916,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,138.29 : 1,628,588.43 = 663,892.53 : x
  2. Step 2: Convert to fraction form
    1,180,138.29/1,628,588.43 = 663,892.53/x
  3. Step 3: Cross multiply
    1,180,138.29x = 1,628,588.43 × 663,892.53
  4. Step 4: Simplify right side
    1,180,138.29x = 1,081,207,693,121.43
  5. Step 5: Solve for x
    x = 1,081,207,693,121.43/1,180,138.29
  6. Step 6: Final answer
    x = 916,170.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.