Home / 1,391,841-2,087,761.50-341,217

Finding the Fourth Proportional to 1,391,841, 2,087,761.50 and 341,217

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Solution

The fourth proportional to 1,391,841, 2,087,761.50 and 341,217 is: 511,825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,841 : 2,087,761.50 = 341,217 : x
  2. Step 2: Convert to fraction form
    1,391,841/2,087,761.50 = 341,217/x
  3. Step 3: Cross multiply
    1,391,841x = 2,087,761.50 × 341,217
  4. Step 4: Simplify right side
    1,391,841x = 712,379,715,745.50
  5. Step 5: Solve for x
    x = 712,379,715,745.50/1,391,841
  6. Step 6: Final answer
    x = 511,825.50

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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.