Home / 1,200,102.09-1,800,014.55-301,475.49

Finding the Fourth Proportional to 1,200,102.09, 1,800,014.55 and 301,475.49

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Solution

The fourth proportional to 1,200,102.09, 1,800,014.55 and 301,475.49 is: 452,178.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,102.09 : 1,800,014.55 = 301,475.49 : x
  2. Step 2: Convert to fraction form
    1,200,102.09/1,800,014.55 = 301,475.49/x
  3. Step 3: Cross multiply
    1,200,102.09x = 1,800,014.55 × 301,475.49
  4. Step 4: Simplify right side
    1,200,102.09x = 542,660,268,468.38
  5. Step 5: Solve for x
    x = 542,660,268,468.38/1,200,102.09
  6. Step 6: Final answer
    x = 452,178.42

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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.