Home / 1,300,999.41-1,795,351.23-720,188.94

Finding the Fourth Proportional to 1,300,999.41, 1,795,351.23 and 720,188.94

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Solution

The fourth proportional to 1,300,999.41, 1,795,351.23 and 720,188.94 is: 993,845.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,999.41 : 1,795,351.23 = 720,188.94 : x
  2. Step 2: Convert to fraction form
    1,300,999.41/1,795,351.23 = 720,188.94/x
  3. Step 3: Cross multiply
    1,300,999.41x = 1,795,351.23 × 720,188.94
  4. Step 4: Simplify right side
    1,300,999.41x = 1,292,992,099,261.40
  5. Step 5: Solve for x
    x = 1,292,992,099,261.40/1,300,999.41
  6. Step 6: Final answer
    x = 993,845.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.