Home / 1,116,220.75-1,673,789.48-654,724.79

Finding the Fourth Proportional to 1,116,220.75, 1,673,789.48 and 654,724.79

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Solution

The fourth proportional to 1,116,220.75, 1,673,789.48 and 654,724.79 is: 981,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,220.75 : 1,673,789.48 = 654,724.79 : x
  2. Step 2: Convert to fraction form
    1,116,220.75/1,673,789.48 = 654,724.79/x
  3. Step 3: Cross multiply
    1,116,220.75x = 1,673,789.48 × 654,724.79
  4. Step 4: Simplify right side
    1,116,220.75x = 1,095,871,466,569.39
  5. Step 5: Solve for x
    x = 1,095,871,466,569.39/1,116,220.75
  6. Step 6: Final answer
    x = 981,769.48

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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.