Home / 1,086,422.10-1,629,633.15-806,486.10

Finding the Fourth Proportional to 1,086,422.10, 1,629,633.15 and 806,486.10

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Solution

The fourth proportional to 1,086,422.10, 1,629,633.15 and 806,486.10 is: 1,209,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,422.10 : 1,629,633.15 = 806,486.10 : x
  2. Step 2: Convert to fraction form
    1,086,422.10/1,629,633.15 = 806,486.10/x
  3. Step 3: Cross multiply
    1,086,422.10x = 1,629,633.15 × 806,486.10
  4. Step 4: Simplify right side
    1,086,422.10x = 1,314,276,483,574.21
  5. Step 5: Solve for x
    x = 1,314,276,483,574.21/1,086,422.10
  6. Step 6: Final answer
    x = 1,209,729.15

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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.