Home / 1,028,844.88-1,420,298.22-685,252.60

Finding the Fourth Proportional to 1,028,844.88, 1,420,298.22 and 685,252.60

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Solution

The fourth proportional to 1,028,844.88, 1,420,298.22 and 685,252.60 is: 945,976.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,844.88 : 1,420,298.22 = 685,252.60 : x
  2. Step 2: Convert to fraction form
    1,028,844.88/1,420,298.22 = 685,252.60/x
  3. Step 3: Cross multiply
    1,028,844.88x = 1,420,298.22 × 685,252.60
  4. Step 4: Simplify right side
    1,028,844.88x = 973,263,048,030.37
  5. Step 5: Solve for x
    x = 973,263,048,030.37/1,028,844.88
  6. Step 6: Final answer
    x = 945,976.47

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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.