Home / 1,145,719.54-1,581,119.36-629,505.66

Finding the Fourth Proportional to 1,145,719.54, 1,581,119.36 and 629,505.66

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Solution

The fourth proportional to 1,145,719.54, 1,581,119.36 and 629,505.66 is: 868,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,719.54 : 1,581,119.36 = 629,505.66 : x
  2. Step 2: Convert to fraction form
    1,145,719.54/1,581,119.36 = 629,505.66/x
  3. Step 3: Cross multiply
    1,145,719.54x = 1,581,119.36 × 629,505.66
  4. Step 4: Simplify right side
    1,145,719.54x = 995,323,591,397.89
  5. Step 5: Solve for x
    x = 995,323,591,397.89/1,145,719.54
  6. Step 6: Final answer
    x = 868,732.32

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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.