Home / 751,983.83-1,037,131.93-661,147.19

Finding the Fourth Proportional to 751,983.83, 1,037,131.93 and 661,147.19

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Solution

The fourth proportional to 751,983.83, 1,037,131.93 and 661,147.19 is: 911,850.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,983.83 : 1,037,131.93 = 661,147.19 : x
  2. Step 2: Convert to fraction form
    751,983.83/1,037,131.93 = 661,147.19/x
  3. Step 3: Cross multiply
    751,983.83x = 1,037,131.93 × 661,147.19
  4. Step 4: Simplify right side
    751,983.83x = 685,696,861,178.78
  5. Step 5: Solve for x
    x = 685,696,861,178.78/751,983.83
  6. Step 6: Final answer
    x = 911,850.54

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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.