Home / 1,643,758.15-2,268,189.81-908,613.13

Finding the Fourth Proportional to 1,643,758.15, 2,268,189.81 and 908,613.13

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Solution

The fourth proportional to 1,643,758.15, 2,268,189.81 and 908,613.13 is: 1,253,777.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,758.15 : 2,268,189.81 = 908,613.13 : x
  2. Step 2: Convert to fraction form
    1,643,758.15/2,268,189.81 = 908,613.13/x
  3. Step 3: Cross multiply
    1,643,758.15x = 2,268,189.81 × 908,613.13
  4. Step 4: Simplify right side
    1,643,758.15x = 2,060,907,042,698.21
  5. Step 5: Solve for x
    x = 2,060,907,042,698.21/1,643,758.15
  6. Step 6: Final answer
    x = 1,253,777.54

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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.