Home / 1,263,163.28-1,743,165.76-682,386.64

Finding the Fourth Proportional to 1,263,163.28, 1,743,165.76 and 682,386.64

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Solution

The fourth proportional to 1,263,163.28, 1,743,165.76 and 682,386.64 is: 941,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,163.28 : 1,743,165.76 = 682,386.64 : x
  2. Step 2: Convert to fraction form
    1,263,163.28/1,743,165.76 = 682,386.64/x
  3. Step 3: Cross multiply
    1,263,163.28x = 1,743,165.76 × 682,386.64
  4. Step 4: Simplify right side
    1,263,163.28x = 1,189,513,025,929.45
  5. Step 5: Solve for x
    x = 1,189,513,025,929.45/1,263,163.28
  6. Step 6: Final answer
    x = 941,693.80

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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.