Home / 1,585,755.25-2,188,343.37-860,602.80

Finding the Fourth Proportional to 1,585,755.25, 2,188,343.37 and 860,602.80

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Solution

The fourth proportional to 1,585,755.25, 2,188,343.37 and 860,602.80 is: 1,187,632.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,755.25 : 2,188,343.37 = 860,602.80 : x
  2. Step 2: Convert to fraction form
    1,585,755.25/2,188,343.37 = 860,602.80/x
  3. Step 3: Cross multiply
    1,585,755.25x = 2,188,343.37 × 860,602.80
  4. Step 4: Simplify right side
    1,585,755.25x = 1,883,294,431,583.44
  5. Step 5: Solve for x
    x = 1,883,294,431,583.44/1,585,755.25
  6. Step 6: Final answer
    x = 1,187,632.47

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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.