Home / 1,083,974.58-1,625,375.43-860,770.98

Finding the Fourth Proportional to 1,083,974.58, 1,625,375.43 and 860,770.98

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Solution

The fourth proportional to 1,083,974.58, 1,625,375.43 and 860,770.98 is: 1,290,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,974.58 : 1,625,375.43 = 860,770.98 : x
  2. Step 2: Convert to fraction form
    1,083,974.58/1,625,375.43 = 860,770.98/x
  3. Step 3: Cross multiply
    1,083,974.58x = 1,625,375.43 × 860,770.98
  4. Step 4: Simplify right side
    1,083,974.58x = 1,399,076,001,749.02
  5. Step 5: Solve for x
    x = 1,399,076,001,749.02/1,083,974.58
  6. Step 6: Final answer
    x = 1,290,690.79

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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.