Home / 1,216,258.14-1,678,157.75-726,132.27

Finding the Fourth Proportional to 1,216,258.14, 1,678,157.75 and 726,132.27

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Solution

The fourth proportional to 1,216,258.14, 1,678,157.75 and 726,132.27 is: 1,001,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,258.14 : 1,678,157.75 = 726,132.27 : x
  2. Step 2: Convert to fraction form
    1,216,258.14/1,678,157.75 = 726,132.27/x
  3. Step 3: Cross multiply
    1,216,258.14x = 1,678,157.75 × 726,132.27
  4. Step 4: Simplify right side
    1,216,258.14x = 1,218,564,488,034.80
  5. Step 5: Solve for x
    x = 1,218,564,488,034.80/1,216,258.14
  6. Step 6: Final answer
    x = 1,001,896.27

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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.