Home / 1,145,159.80-1,717,739.70-1,040,183.80

Finding the Fourth Proportional to 1,145,159.80, 1,717,739.70 and 1,040,183.80

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Solution

The fourth proportional to 1,145,159.80, 1,717,739.70 and 1,040,183.80 is: 1,560,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,159.80 : 1,717,739.70 = 1,040,183.80 : x
  2. Step 2: Convert to fraction form
    1,145,159.80/1,717,739.70 = 1,040,183.80/x
  3. Step 3: Cross multiply
    1,145,159.80x = 1,717,739.70 × 1,040,183.80
  4. Step 4: Simplify right side
    1,145,159.80x = 1,786,765,008,556.86
  5. Step 5: Solve for x
    x = 1,786,765,008,556.86/1,145,159.80
  6. Step 6: Final answer
    x = 1,560,275.70

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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.