Home / 1,082,617.09-1,620,690.19-654,858.38

Finding the Fourth Proportional to 1,082,617.09, 1,620,690.19 and 654,858.38

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Solution

The fourth proportional to 1,082,617.09, 1,620,690.19 and 654,858.38 is: 980,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,617.09 : 1,620,690.19 = 654,858.38 : x
  2. Step 2: Convert to fraction form
    1,082,617.09/1,620,690.19 = 654,858.38/x
  3. Step 3: Cross multiply
    1,082,617.09x = 1,620,690.19 × 654,858.38
  4. Step 4: Simplify right side
    1,082,617.09x = 1,061,322,554,719.87
  5. Step 5: Solve for x
    x = 1,061,322,554,719.87/1,082,617.09
  6. Step 6: Final answer
    x = 980,330.50

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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.