Home / 1,326,735.95-1,990,093.00-380,107.58

Finding the Fourth Proportional to 1,326,735.95, 1,990,093.00 and 380,107.58

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Solution

The fourth proportional to 1,326,735.95, 1,990,093.00 and 380,107.58 is: 570,158.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,735.95 : 1,990,093.00 = 380,107.58 : x
  2. Step 2: Convert to fraction form
    1,326,735.95/1,990,093.00 = 380,107.58/x
  3. Step 3: Cross multiply
    1,326,735.95x = 1,990,093.00 × 380,107.58
  4. Step 4: Simplify right side
    1,326,735.95x = 756,449,438,229.90
  5. Step 5: Solve for x
    x = 756,449,438,229.90/1,326,735.95
  6. Step 6: Final answer
    x = 570,158.24

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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.