Home / 1,268,993.86-1,903,622.04-427,611.22

Finding the Fourth Proportional to 1,268,993.86, 1,903,622.04 and 427,611.22

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Solution

The fourth proportional to 1,268,993.86, 1,903,622.04 and 427,611.22 is: 641,461.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,993.86 : 1,903,622.04 = 427,611.22 : x
  2. Step 2: Convert to fraction form
    1,268,993.86/1,903,622.04 = 427,611.22/x
  3. Step 3: Cross multiply
    1,268,993.86x = 1,903,622.04 × 427,611.22
  4. Step 4: Simplify right side
    1,268,993.86x = 814,010,142,943.29
  5. Step 5: Solve for x
    x = 814,010,142,943.29/1,268,993.86
  6. Step 6: Final answer
    x = 641,461.06

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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.