Home / 1,368,989.88-1,888,447.60-795,966.72

Finding the Fourth Proportional to 1,368,989.88, 1,888,447.60 and 795,966.72

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Solution

The fourth proportional to 1,368,989.88, 1,888,447.60 and 795,966.72 is: 1,097,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,989.88 : 1,888,447.60 = 795,966.72 : x
  2. Step 2: Convert to fraction form
    1,368,989.88/1,888,447.60 = 795,966.72/x
  3. Step 3: Cross multiply
    1,368,989.88x = 1,888,447.60 × 795,966.72
  4. Step 4: Simplify right side
    1,368,989.88x = 1,503,141,442,063.87
  5. Step 5: Solve for x
    x = 1,503,141,442,063.87/1,368,989.88
  6. Step 6: Final answer
    x = 1,097,993.10

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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.