Home / 1,367,876.84-1,887,767.71-756,016.45

Finding the Fourth Proportional to 1,367,876.84, 1,887,767.71 and 756,016.45

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Solution

The fourth proportional to 1,367,876.84, 1,887,767.71 and 756,016.45 is: 1,043,356.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,876.84 : 1,887,767.71 = 756,016.45 : x
  2. Step 2: Convert to fraction form
    1,367,876.84/1,887,767.71 = 756,016.45/x
  3. Step 3: Cross multiply
    1,367,876.84x = 1,887,767.71 × 756,016.45
  4. Step 4: Simplify right side
    1,367,876.84x = 1,427,183,435,929.37
  5. Step 5: Solve for x
    x = 1,427,183,435,929.37/1,367,876.84
  6. Step 6: Final answer
    x = 1,043,356.68

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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.