Home / 1,003,105.20-1,504,657.80-603,540.30

Finding the Fourth Proportional to 1,003,105.20, 1,504,657.80 and 603,540.30

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Solution

The fourth proportional to 1,003,105.20, 1,504,657.80 and 603,540.30 is: 905,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,105.20 : 1,504,657.80 = 603,540.30 : x
  2. Step 2: Convert to fraction form
    1,003,105.20/1,504,657.80 = 603,540.30/x
  3. Step 3: Cross multiply
    1,003,105.20x = 1,504,657.80 × 603,540.30
  4. Step 4: Simplify right side
    1,003,105.20x = 908,121,620,009.34
  5. Step 5: Solve for x
    x = 908,121,620,009.34/1,003,105.20
  6. Step 6: Final answer
    x = 905,310.45

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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.