Home / 1,815,311.74-2,505,109.53-999,498.37

Finding the Fourth Proportional to 1,815,311.74, 2,505,109.53 and 999,498.37

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Solution

The fourth proportional to 1,815,311.74, 2,505,109.53 and 999,498.37 is: 1,379,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,311.74 : 2,505,109.53 = 999,498.37 : x
  2. Step 2: Convert to fraction form
    1,815,311.74/2,505,109.53 = 999,498.37/x
  3. Step 3: Cross multiply
    1,815,311.74x = 2,505,109.53 × 999,498.37
  4. Step 4: Simplify right side
    1,815,311.74x = 2,503,852,891,906.47
  5. Step 5: Solve for x
    x = 2,503,852,891,906.47/1,815,311.74
  6. Step 6: Final answer
    x = 1,379,296.37

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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.