Home / 1,372,016.70-2,048,236.84-1,280,841.14

Finding the Fourth Proportional to 1,372,016.70, 2,048,236.84 and 1,280,841.14

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Solution

The fourth proportional to 1,372,016.70, 2,048,236.84 and 1,280,841.14 is: 1,912,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,016.70 : 2,048,236.84 = 1,280,841.14 : x
  2. Step 2: Convert to fraction form
    1,372,016.70/2,048,236.84 = 1,280,841.14/x
  3. Step 3: Cross multiply
    1,372,016.70x = 2,048,236.84 × 1,280,841.14
  4. Step 4: Simplify right side
    1,372,016.70x = 2,623,466,009,135.60
  5. Step 5: Solve for x
    x = 2,623,466,009,135.60/1,372,016.70
  6. Step 6: Final answer
    x = 1,912,123.96

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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.