Home / 1,181,816.20-1,771,572.30-675,857.80

Finding the Fourth Proportional to 1,181,816.20, 1,771,572.30 and 675,857.80

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Solution

The fourth proportional to 1,181,816.20, 1,771,572.30 and 675,857.80 is: 1,013,127.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,816.20 : 1,771,572.30 = 675,857.80 : x
  2. Step 2: Convert to fraction form
    1,181,816.20/1,771,572.30 = 675,857.80/x
  3. Step 3: Cross multiply
    1,181,816.20x = 1,771,572.30 × 675,857.80
  4. Step 4: Simplify right side
    1,181,816.20x = 1,197,330,957,218.94
  5. Step 5: Solve for x
    x = 1,197,330,957,218.94/1,181,816.20
  6. Step 6: Final answer
    x = 1,013,127.89

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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.