Home / 1,261,605.91-1,892,435.74-452,043.21

Finding the Fourth Proportional to 1,261,605.91, 1,892,435.74 and 452,043.21

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Solution

The fourth proportional to 1,261,605.91, 1,892,435.74 and 452,043.21 is: 678,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,605.91 : 1,892,435.74 = 452,043.21 : x
  2. Step 2: Convert to fraction form
    1,261,605.91/1,892,435.74 = 452,043.21/x
  3. Step 3: Cross multiply
    1,261,605.91x = 1,892,435.74 × 452,043.21
  4. Step 4: Simplify right side
    1,261,605.91x = 855,462,726,628.33
  5. Step 5: Solve for x
    x = 855,462,726,628.33/1,261,605.91
  6. Step 6: Final answer
    x = 678,074.44

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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.