Home / 1,152,110.20-1,728,165.30-1,040,135.80

Finding the Fourth Proportional to 1,152,110.20, 1,728,165.30 and 1,040,135.80

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Solution

The fourth proportional to 1,152,110.20, 1,728,165.30 and 1,040,135.80 is: 1,560,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,110.20 : 1,728,165.30 = 1,040,135.80 : x
  2. Step 2: Convert to fraction form
    1,152,110.20/1,728,165.30 = 1,040,135.80/x
  3. Step 3: Cross multiply
    1,152,110.20x = 1,728,165.30 × 1,040,135.80
  4. Step 4: Simplify right side
    1,152,110.20x = 1,797,526,596,847.74
  5. Step 5: Solve for x
    x = 1,797,526,596,847.74/1,152,110.20
  6. Step 6: Final answer
    x = 1,560,203.70

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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.