Home / 1,203,687.20-1,803,999.90-492,912.20

Finding the Fourth Proportional to 1,203,687.20, 1,803,999.90 and 492,912.20

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Solution

The fourth proportional to 1,203,687.20, 1,803,999.90 and 492,912.20 is: 738,741.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,687.20 : 1,803,999.90 = 492,912.20 : x
  2. Step 2: Convert to fraction form
    1,203,687.20/1,803,999.90 = 492,912.20/x
  3. Step 3: Cross multiply
    1,203,687.20x = 1,803,999.90 × 492,912.20
  4. Step 4: Simplify right side
    1,203,687.20x = 889,213,559,508.78
  5. Step 5: Solve for x
    x = 889,213,559,508.78/1,203,687.20
  6. Step 6: Final answer
    x = 738,741.39

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1.5x scale

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.