Home / 1,367,879.84-1,887,771.86-756,019.46

Finding the Fourth Proportional to 1,367,879.84, 1,887,771.86 and 756,019.46

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Solution

The fourth proportional to 1,367,879.84, 1,887,771.86 and 756,019.46 is: 1,043,360.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,879.84 : 1,887,771.86 = 756,019.46 : x
  2. Step 2: Convert to fraction form
    1,367,879.84/1,887,771.86 = 756,019.46/x
  3. Step 3: Cross multiply
    1,367,879.84x = 1,887,771.86 × 756,019.46
  4. Step 4: Simplify right side
    1,367,879.84x = 1,427,192,248,981.44
  5. Step 5: Solve for x
    x = 1,427,192,248,981.44/1,367,879.84
  6. Step 6: Final answer
    x = 1,043,360.84

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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.