Home / 1,299,226.85-1,792,944.66-718,489.06

Finding the Fourth Proportional to 1,299,226.85, 1,792,944.66 and 718,489.06

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Solution

The fourth proportional to 1,299,226.85, 1,792,944.66 and 718,489.06 is: 991,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,226.85 : 1,792,944.66 = 718,489.06 : x
  2. Step 2: Convert to fraction form
    1,299,226.85/1,792,944.66 = 718,489.06/x
  3. Step 3: Cross multiply
    1,299,226.85x = 1,792,944.66 × 718,489.06
  4. Step 4: Simplify right side
    1,299,226.85x = 1,288,211,123,395.42
  5. Step 5: Solve for x
    x = 1,288,211,123,395.42/1,299,226.85
  6. Step 6: Final answer
    x = 991,521.32

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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.