Home / 1,180,578.60-1,628,789.58-664,249.32

Finding the Fourth Proportional to 1,180,578.60, 1,628,789.58 and 664,249.32

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Solution

The fourth proportional to 1,180,578.60, 1,628,789.58 and 664,249.32 is: 916,434.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,578.60 : 1,628,789.58 = 664,249.32 : x
  2. Step 2: Convert to fraction form
    1,180,578.60/1,628,789.58 = 664,249.32/x
  3. Step 3: Cross multiply
    1,180,578.60x = 1,628,789.58 × 664,249.32
  4. Step 4: Simplify right side
    1,180,578.60x = 1,081,922,370,938.09
  5. Step 5: Solve for x
    x = 1,081,922,370,938.09/1,180,578.60
  6. Step 6: Final answer
    x = 916,434.00

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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.