Home / 1,485,690.88-2,050,268.16-806,632.96

Finding the Fourth Proportional to 1,485,690.88, 2,050,268.16 and 806,632.96

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Solution

The fourth proportional to 1,485,690.88, 2,050,268.16 and 806,632.96 is: 1,113,161.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,690.88 : 2,050,268.16 = 806,632.96 : x
  2. Step 2: Convert to fraction form
    1,485,690.88/2,050,268.16 = 806,632.96/x
  3. Step 3: Cross multiply
    1,485,690.88x = 2,050,268.16 × 806,632.96
  4. Step 4: Simplify right side
    1,485,690.88x = 1,653,813,874,694.55
  5. Step 5: Solve for x
    x = 1,653,813,874,694.55/1,485,690.88
  6. Step 6: Final answer
    x = 1,113,161.49

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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.