Home / 1,261,293.12-1,890,814.46-462,388.05

Finding the Fourth Proportional to 1,261,293.12, 1,890,814.46 and 462,388.05

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Solution

The fourth proportional to 1,261,293.12, 1,890,814.46 and 462,388.05 is: 693,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,293.12 : 1,890,814.46 = 462,388.05 : x
  2. Step 2: Convert to fraction form
    1,261,293.12/1,890,814.46 = 462,388.05/x
  3. Step 3: Cross multiply
    1,261,293.12x = 1,890,814.46 × 462,388.05
  4. Step 4: Simplify right side
    1,261,293.12x = 874,290,008,759.26
  5. Step 5: Solve for x
    x = 874,290,008,759.26/1,261,293.12
  6. Step 6: Final answer
    x = 693,169.57

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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.