Home / 1,367,876.89-1,887,767.84-756,016.49

Finding the Fourth Proportional to 1,367,876.89, 1,887,767.84 and 756,016.49

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Solution

The fourth proportional to 1,367,876.89, 1,887,767.84 and 756,016.49 is: 1,043,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,876.89 : 1,887,767.84 = 756,016.49 : x
  2. Step 2: Convert to fraction form
    1,367,876.89/1,887,767.84 = 756,016.49/x
  3. Step 3: Cross multiply
    1,367,876.89x = 1,887,767.84 × 756,016.49
  4. Step 4: Simplify right side
    1,367,876.89x = 1,427,183,616,331.68
  5. Step 5: Solve for x
    x = 1,427,183,616,331.68/1,367,876.89
  6. Step 6: Final answer
    x = 1,043,356.77

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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.