Home / 1,190,990.64-1,785,481.76-516,564.24

Finding the Fourth Proportional to 1,190,990.64, 1,785,481.76 and 516,564.24

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Solution

The fourth proportional to 1,190,990.64, 1,785,481.76 and 516,564.24 is: 774,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,990.64 : 1,785,481.76 = 516,564.24 : x
  2. Step 2: Convert to fraction form
    1,190,990.64/1,785,481.76 = 516,564.24/x
  3. Step 3: Cross multiply
    1,190,990.64x = 1,785,481.76 × 516,564.24
  4. Step 4: Simplify right side
    1,190,990.64x = 922,316,028,388.26
  5. Step 5: Solve for x
    x = 922,316,028,388.26/1,190,990.64
  6. Step 6: Final answer
    x = 774,410.81

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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.