Home / 1,485,117.66-2,049,407.55-806,039.58

Finding the Fourth Proportional to 1,485,117.66, 2,049,407.55 and 806,039.58

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Solution

The fourth proportional to 1,485,117.66, 2,049,407.55 and 806,039.58 is: 1,112,304.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,117.66 : 2,049,407.55 = 806,039.58 : x
  2. Step 2: Convert to fraction form
    1,485,117.66/2,049,407.55 = 806,039.58/x
  3. Step 3: Cross multiply
    1,485,117.66x = 2,049,407.55 × 806,039.58
  4. Step 4: Simplify right side
    1,485,117.66x = 1,651,903,600,850.83
  5. Step 5: Solve for x
    x = 1,651,903,600,850.83/1,485,117.66
  6. Step 6: Final answer
    x = 1,112,304.87

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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.