Home / 1,222,000.20-1,832,562.86-423,067.20

Finding the Fourth Proportional to 1,222,000.20, 1,832,562.86 and 423,067.20

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Solution

The fourth proportional to 1,222,000.20, 1,832,562.86 and 423,067.20 is: 634,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,000.20 : 1,832,562.86 = 423,067.20 : x
  2. Step 2: Convert to fraction form
    1,222,000.20/1,832,562.86 = 423,067.20/x
  3. Step 3: Cross multiply
    1,222,000.20x = 1,832,562.86 × 423,067.20
  4. Step 4: Simplify right side
    1,222,000.20x = 775,297,238,004.19
  5. Step 5: Solve for x
    x = 775,297,238,004.19/1,222,000.20
  6. Step 6: Final answer
    x = 634,449.35

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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.