Home / 1,242,003.20-1,863,004.80-1,041,236.60

Finding the Fourth Proportional to 1,242,003.20, 1,863,004.80 and 1,041,236.60

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Solution

The fourth proportional to 1,242,003.20, 1,863,004.80 and 1,041,236.60 is: 1,561,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,003.20 : 1,863,004.80 = 1,041,236.60 : x
  2. Step 2: Convert to fraction form
    1,242,003.20/1,863,004.80 = 1,041,236.60/x
  3. Step 3: Cross multiply
    1,242,003.20x = 1,863,004.80 × 1,041,236.60
  4. Step 4: Simplify right side
    1,242,003.20x = 1,939,828,783,735.68
  5. Step 5: Solve for x
    x = 1,939,828,783,735.68/1,242,003.20
  6. Step 6: Final answer
    x = 1,561,854.90

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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.