Home / 1,448,441.64-2,172,653.82-787,792.68

Finding the Fourth Proportional to 1,448,441.64, 2,172,653.82 and 787,792.68

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Solution

The fourth proportional to 1,448,441.64, 2,172,653.82 and 787,792.68 is: 1,181,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,441.64 : 2,172,653.82 = 787,792.68 : x
  2. Step 2: Convert to fraction form
    1,448,441.64/2,172,653.82 = 787,792.68/x
  3. Step 3: Cross multiply
    1,448,441.64x = 2,172,653.82 × 787,792.68
  4. Step 4: Simplify right side
    1,448,441.64x = 1,711,600,775,570.04
  5. Step 5: Solve for x
    x = 1,711,600,775,570.04/1,448,441.64
  6. Step 6: Final answer
    x = 1,181,684.32

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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.