Home / 1,145,186.80-1,717,780.20-1,040,210.80

Finding the Fourth Proportional to 1,145,186.80, 1,717,780.20 and 1,040,210.80

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Solution

The fourth proportional to 1,145,186.80, 1,717,780.20 and 1,040,210.80 is: 1,560,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,186.80 : 1,717,780.20 = 1,040,210.80 : x
  2. Step 2: Convert to fraction form
    1,145,186.80/1,717,780.20 = 1,040,210.80/x
  3. Step 3: Cross multiply
    1,145,186.80x = 1,717,780.20 × 1,040,210.80
  4. Step 4: Simplify right side
    1,145,186.80x = 1,786,853,516,066.16
  5. Step 5: Solve for x
    x = 1,786,853,516,066.16/1,145,186.80
  6. Step 6: Final answer
    x = 1,560,316.20

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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.