Home / 1,116,049.20-1,674,462.60-485,415.60

Finding the Fourth Proportional to 1,116,049.20, 1,674,462.60 and 485,415.60

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Solution

The fourth proportional to 1,116,049.20, 1,674,462.60 and 485,415.60 is: 728,292.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,049.20 : 1,674,462.60 = 485,415.60 : x
  2. Step 2: Convert to fraction form
    1,116,049.20/1,674,462.60 = 485,415.60/x
  3. Step 3: Cross multiply
    1,116,049.20x = 1,674,462.60 × 485,415.60
  4. Step 4: Simplify right side
    1,116,049.20x = 812,810,267,656.56
  5. Step 5: Solve for x
    x = 812,810,267,656.56/1,116,049.20
  6. Step 6: Final answer
    x = 728,292.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.