Home / 1,091,185.56-1,506,460.68-729,222.48

Finding the Fourth Proportional to 1,091,185.56, 1,506,460.68 and 729,222.48

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Solution

The fourth proportional to 1,091,185.56, 1,506,460.68 and 729,222.48 is: 1,006,744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,185.56 : 1,506,460.68 = 729,222.48 : x
  2. Step 2: Convert to fraction form
    1,091,185.56/1,506,460.68 = 729,222.48/x
  3. Step 3: Cross multiply
    1,091,185.56x = 1,506,460.68 × 729,222.48
  4. Step 4: Simplify right side
    1,091,185.56x = 1,098,544,993,092.09
  5. Step 5: Solve for x
    x = 1,098,544,993,092.09/1,091,185.56
  6. Step 6: Final answer
    x = 1,006,744.44

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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.