Home / 1,372,012.08-2,048,229.96-1,280,836.52

Finding the Fourth Proportional to 1,372,012.08, 2,048,229.96 and 1,280,836.52

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Solution

The fourth proportional to 1,372,012.08, 2,048,229.96 and 1,280,836.52 is: 1,912,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,012.08 : 2,048,229.96 = 1,280,836.52 : x
  2. Step 2: Convert to fraction form
    1,372,012.08/2,048,229.96 = 1,280,836.52/x
  3. Step 3: Cross multiply
    1,372,012.08x = 2,048,229.96 × 1,280,836.52
  4. Step 4: Simplify right side
    1,372,012.08x = 2,623,447,723,884.99
  5. Step 5: Solve for x
    x = 2,623,447,723,884.99/1,372,012.08
  6. Step 6: Final answer
    x = 1,912,117.07

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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.