Home / 1,409,284.86-2,117,863.94-1,318,546.23

Finding the Fourth Proportional to 1,409,284.86, 2,117,863.94 and 1,318,546.23

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Solution

The fourth proportional to 1,409,284.86, 2,117,863.94 and 1,318,546.23 is: 1,981,502.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,284.86 : 2,117,863.94 = 1,318,546.23 : x
  2. Step 2: Convert to fraction form
    1,409,284.86/2,117,863.94 = 1,318,546.23/x
  3. Step 3: Cross multiply
    1,409,284.86x = 2,117,863.94 × 1,318,546.23
  4. Step 4: Simplify right side
    1,409,284.86x = 2,792,501,507,147.22
  5. Step 5: Solve for x
    x = 2,792,501,507,147.22/1,409,284.86
  6. Step 6: Final answer
    x = 1,981,502.52

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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.