Home / 1,367,881.21-1,887,773.75-756,020.82

Finding the Fourth Proportional to 1,367,881.21, 1,887,773.75 and 756,020.82

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Solution

The fourth proportional to 1,367,881.21, 1,887,773.75 and 756,020.82 is: 1,043,362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,881.21 : 1,887,773.75 = 756,020.82 : x
  2. Step 2: Convert to fraction form
    1,367,881.21/1,887,773.75 = 756,020.82/x
  3. Step 3: Cross multiply
    1,367,881.21x = 1,887,773.75 × 756,020.82
  4. Step 4: Simplify right side
    1,367,881.21x = 1,427,196,258,449.48
  5. Step 5: Solve for x
    x = 1,427,196,258,449.48/1,367,881.21
  6. Step 6: Final answer
    x = 1,043,362.72

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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.