Home / 1,034,576.52-1,427,913.03-685,100.76

Finding the Fourth Proportional to 1,034,576.52, 1,427,913.03 and 685,100.76

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Solution

The fourth proportional to 1,034,576.52, 1,427,913.03 and 685,100.76 is: 945,569.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,576.52 : 1,427,913.03 = 685,100.76 : x
  2. Step 2: Convert to fraction form
    1,034,576.52/1,427,913.03 = 685,100.76/x
  3. Step 3: Cross multiply
    1,034,576.52x = 1,427,913.03 × 685,100.76
  4. Step 4: Simplify right side
    1,034,576.52x = 978,264,301,370.52
  5. Step 5: Solve for x
    x = 978,264,301,370.52/1,034,576.52
  6. Step 6: Final answer
    x = 945,569.78

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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.