Home / 1,585,998.54-2,188,680.20-860,846.42

Finding the Fourth Proportional to 1,585,998.54, 2,188,680.20 and 860,846.42

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Solution

The fourth proportional to 1,585,998.54, 2,188,680.20 and 860,846.42 is: 1,187,969.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,998.54 : 2,188,680.20 = 860,846.42 : x
  2. Step 2: Convert to fraction form
    1,585,998.54/2,188,680.20 = 860,846.42/x
  3. Step 3: Cross multiply
    1,585,998.54x = 2,188,680.20 × 860,846.42
  4. Step 4: Simplify right side
    1,585,998.54x = 1,884,117,510,390.65
  5. Step 5: Solve for x
    x = 1,884,117,510,390.65/1,585,998.54
  6. Step 6: Final answer
    x = 1,187,969.26

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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.