Home / 1,085,749.10-1,627,564.66-516,977.37

Finding the Fourth Proportional to 1,085,749.10, 1,627,564.66 and 516,977.37

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Solution

The fourth proportional to 1,085,749.10, 1,627,564.66 and 516,977.37 is: 774,961.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,749.10 : 1,627,564.66 = 516,977.37 : x
  2. Step 2: Convert to fraction form
    1,085,749.10/1,627,564.66 = 516,977.37/x
  3. Step 3: Cross multiply
    1,085,749.10x = 1,627,564.66 × 516,977.37
  4. Step 4: Simplify right side
    1,085,749.10x = 841,414,104,096.12
  5. Step 5: Solve for x
    x = 841,414,104,096.12/1,085,749.10
  6. Step 6: Final answer
    x = 774,961.83

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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.