Home / 1,815,279.78-2,505,065.52-999,466.80

Finding the Fourth Proportional to 1,815,279.78, 2,505,065.52 and 999,466.80

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Solution

The fourth proportional to 1,815,279.78, 2,505,065.52 and 999,466.80 is: 1,379,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,279.78 : 2,505,065.52 = 999,466.80 : x
  2. Step 2: Convert to fraction form
    1,815,279.78/2,505,065.52 = 999,466.80/x
  3. Step 3: Cross multiply
    1,815,279.78x = 2,505,065.52 × 999,466.80
  4. Step 4: Simplify right side
    1,815,279.78x = 2,503,729,819,064.74
  5. Step 5: Solve for x
    x = 2,503,729,819,064.74/1,815,279.78
  6. Step 6: Final answer
    x = 1,379,252.85

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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.