Home / 1,485,101.79-2,227,295.78-685,615.39

Finding the Fourth Proportional to 1,485,101.79, 2,227,295.78 and 685,615.39

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Solution

The fourth proportional to 1,485,101.79, 2,227,295.78 and 685,615.39 is: 1,028,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,101.79 : 2,227,295.78 = 685,615.39 : x
  2. Step 2: Convert to fraction form
    1,485,101.79/2,227,295.78 = 685,615.39/x
  3. Step 3: Cross multiply
    1,485,101.79x = 2,227,295.78 × 685,615.39
  4. Step 4: Simplify right side
    1,485,101.79x = 1,527,068,258,424.80
  5. Step 5: Solve for x
    x = 1,527,068,258,424.80/1,485,101.79
  6. Step 6: Final answer
    x = 1,028,258.31

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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.