Home / 1,079,610.36-1,619,976.06-440,383.20

Finding the Fourth Proportional to 1,079,610.36, 1,619,976.06 and 440,383.20

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Solution

The fourth proportional to 1,079,610.36, 1,619,976.06 and 440,383.20 is: 660,803.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,610.36 : 1,619,976.06 = 440,383.20 : x
  2. Step 2: Convert to fraction form
    1,079,610.36/1,619,976.06 = 440,383.20/x
  3. Step 3: Cross multiply
    1,079,610.36x = 1,619,976.06 × 440,383.20
  4. Step 4: Simplify right side
    1,079,610.36x = 713,410,241,226.19
  5. Step 5: Solve for x
    x = 713,410,241,226.19/1,079,610.36
  6. Step 6: Final answer
    x = 660,803.44

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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.