Home / 1,585,629.72-2,188,170.41-860,477.43

Finding the Fourth Proportional to 1,585,629.72, 2,188,170.41 and 860,477.43

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Solution

The fourth proportional to 1,585,629.72, 2,188,170.41 and 860,477.43 is: 1,187,459.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,629.72 : 2,188,170.41 = 860,477.43 : x
  2. Step 2: Convert to fraction form
    1,585,629.72/2,188,170.41 = 860,477.43/x
  3. Step 3: Cross multiply
    1,585,629.72x = 2,188,170.41 × 860,477.43
  4. Step 4: Simplify right side
    1,585,629.72x = 1,882,871,250,798.85
  5. Step 5: Solve for x
    x = 1,882,871,250,798.85/1,585,629.72
  6. Step 6: Final answer
    x = 1,187,459.61

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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.