Home / 1,291,245.30-1,936,793.23-492,607.58

Finding the Fourth Proportional to 1,291,245.30, 1,936,793.23 and 492,607.58

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Solution

The fourth proportional to 1,291,245.30, 1,936,793.23 and 492,607.58 is: 738,882.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,245.30 : 1,936,793.23 = 492,607.58 : x
  2. Step 2: Convert to fraction form
    1,291,245.30/1,936,793.23 = 492,607.58/x
  3. Step 3: Cross multiply
    1,291,245.30x = 1,936,793.23 × 492,607.58
  4. Step 4: Simplify right side
    1,291,245.30x = 954,079,015,075.20
  5. Step 5: Solve for x
    x = 954,079,015,075.20/1,291,245.30
  6. Step 6: Final answer
    x = 738,882.86

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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.