Home / 1,131,803.56-1,561,098.04-768,596.88

Finding the Fourth Proportional to 1,131,803.56, 1,561,098.04 and 768,596.88

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Solution

The fourth proportional to 1,131,803.56, 1,561,098.04 and 768,596.88 is: 1,060,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,803.56 : 1,561,098.04 = 768,596.88 : x
  2. Step 2: Convert to fraction form
    1,131,803.56/1,561,098.04 = 768,596.88/x
  3. Step 3: Cross multiply
    1,131,803.56x = 1,561,098.04 × 768,596.88
  4. Step 4: Simplify right side
    1,131,803.56x = 1,199,855,082,918.12
  5. Step 5: Solve for x
    x = 1,199,855,082,918.12/1,131,803.56
  6. Step 6: Final answer
    x = 1,060,126.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.