Home / 836,144.12-1,154,581.61-629,053.36

Finding the Fourth Proportional to 836,144.12, 1,154,581.61 and 629,053.36

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Solution

The fourth proportional to 836,144.12, 1,154,581.61 and 629,053.36 is: 868,622.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,144.12 : 1,154,581.61 = 629,053.36 : x
  2. Step 2: Convert to fraction form
    836,144.12/1,154,581.61 = 629,053.36/x
  3. Step 3: Cross multiply
    836,144.12x = 1,154,581.61 × 629,053.36
  4. Step 4: Simplify right side
    836,144.12x = 726,293,447,486.08
  5. Step 5: Solve for x
    x = 726,293,447,486.08/836,144.12
  6. Step 6: Final answer
    x = 868,622.32

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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.