Home / 1,122,457.76-1,548,989.08-613,163.78

Finding the Fourth Proportional to 1,122,457.76, 1,548,989.08 and 613,163.78

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Solution

The fourth proportional to 1,122,457.76, 1,548,989.08 and 613,163.78 is: 846,164.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,457.76 : 1,548,989.08 = 613,163.78 : x
  2. Step 2: Convert to fraction form
    1,122,457.76/1,548,989.08 = 613,163.78/x
  3. Step 3: Cross multiply
    1,122,457.76x = 1,548,989.08 × 613,163.78
  4. Step 4: Simplify right side
    1,122,457.76x = 949,783,990,193.67
  5. Step 5: Solve for x
    x = 949,783,990,193.67/1,122,457.76
  6. Step 6: Final answer
    x = 846,164.58

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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.