Home / 1,198,858.37-1,798,246.10-300,307.86

Finding the Fourth Proportional to 1,198,858.37, 1,798,246.10 and 300,307.86

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Solution

The fourth proportional to 1,198,858.37, 1,798,246.10 and 300,307.86 is: 450,451.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,858.37 : 1,798,246.10 = 300,307.86 : x
  2. Step 2: Convert to fraction form
    1,198,858.37/1,798,246.10 = 300,307.86/x
  3. Step 3: Cross multiply
    1,198,858.37x = 1,798,246.10 × 300,307.86
  4. Step 4: Simplify right side
    1,198,858.37x = 540,027,436,542.81
  5. Step 5: Solve for x
    x = 540,027,436,542.81/1,198,858.37
  6. Step 6: Final answer
    x = 450,451.41

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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.