Home / 1,188,729.24-1,783,087.71-290,175.72

Finding the Fourth Proportional to 1,188,729.24, 1,783,087.71 and 290,175.72

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Solution

The fourth proportional to 1,188,729.24, 1,783,087.71 and 290,175.72 is: 435,262.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,729.24 : 1,783,087.71 = 290,175.72 : x
  2. Step 2: Convert to fraction form
    1,188,729.24/1,783,087.71 = 290,175.72/x
  3. Step 3: Cross multiply
    1,188,729.24x = 1,783,087.71 × 290,175.72
  4. Step 4: Simplify right side
    1,188,729.24x = 517,408,760,072.40
  5. Step 5: Solve for x
    x = 517,408,760,072.40/1,188,729.24
  6. Step 6: Final answer
    x = 435,262.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.