Home / 1,188,104.64-1,639,671.30-678,796.08

Finding the Fourth Proportional to 1,188,104.64, 1,639,671.30 and 678,796.08

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Solution

The fourth proportional to 1,188,104.64, 1,639,671.30 and 678,796.08 is: 936,788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,104.64 : 1,639,671.30 = 678,796.08 : x
  2. Step 2: Convert to fraction form
    1,188,104.64/1,639,671.30 = 678,796.08/x
  3. Step 3: Cross multiply
    1,188,104.64x = 1,639,671.30 × 678,796.08
  4. Step 4: Simplify right side
    1,188,104.64x = 1,113,002,450,928.50
  5. Step 5: Solve for x
    x = 1,113,002,450,928.50/1,188,104.64
  6. Step 6: Final answer
    x = 936,788.24

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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.