Home / 1,122,416.80-1,548,910.02-613,121.20

Finding the Fourth Proportional to 1,122,416.80, 1,548,910.02 and 613,121.20

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Solution

The fourth proportional to 1,122,416.80, 1,548,910.02 and 613,121.20 is: 846,093.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,416.80 : 1,548,910.02 = 613,121.20 : x
  2. Step 2: Convert to fraction form
    1,122,416.80/1,548,910.02 = 613,121.20/x
  3. Step 3: Cross multiply
    1,122,416.80x = 1,548,910.02 × 613,121.20
  4. Step 4: Simplify right side
    1,122,416.80x = 949,669,570,154.42
  5. Step 5: Solve for x
    x = 949,669,570,154.42/1,122,416.80
  6. Step 6: Final answer
    x = 846,093.51

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1.5x scale

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.