Home / 1,367,873.98-1,887,763.79-756,013.60

Finding the Fourth Proportional to 1,367,873.98, 1,887,763.79 and 756,013.60

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Solution

The fourth proportional to 1,367,873.98, 1,887,763.79 and 756,013.60 is: 1,043,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,873.98 : 1,887,763.79 = 756,013.60 : x
  2. Step 2: Convert to fraction form
    1,367,873.98/1,887,763.79 = 756,013.60/x
  3. Step 3: Cross multiply
    1,367,873.98x = 1,887,763.79 × 756,013.60
  4. Step 4: Simplify right side
    1,367,873.98x = 1,427,175,098,827.54
  5. Step 5: Solve for x
    x = 1,427,175,098,827.54/1,367,873.98
  6. Step 6: Final answer
    x = 1,043,352.76

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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.