Home / 1,372,014.70-2,048,233.86-1,280,839.14

Finding the Fourth Proportional to 1,372,014.70, 2,048,233.86 and 1,280,839.14

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Solution

The fourth proportional to 1,372,014.70, 2,048,233.86 and 1,280,839.14 is: 1,912,120.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,014.70 : 2,048,233.86 = 1,280,839.14 : x
  2. Step 2: Convert to fraction form
    1,372,014.70/2,048,233.86 = 1,280,839.14/x
  3. Step 3: Cross multiply
    1,372,014.70x = 2,048,233.86 × 1,280,839.14
  4. Step 4: Simplify right side
    1,372,014.70x = 2,623,458,095,761.28
  5. Step 5: Solve for x
    x = 2,623,458,095,761.28/1,372,014.70
  6. Step 6: Final answer
    x = 1,912,120.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.