Home / 1,396,396.80-2,094,595.20-1,254,679.20

Finding the Fourth Proportional to 1,396,396.80, 2,094,595.20 and 1,254,679.20

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Solution

The fourth proportional to 1,396,396.80, 2,094,595.20 and 1,254,679.20 is: 1,882,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,396.80 : 2,094,595.20 = 1,254,679.20 : x
  2. Step 2: Convert to fraction form
    1,396,396.80/2,094,595.20 = 1,254,679.20/x
  3. Step 3: Cross multiply
    1,396,396.80x = 2,094,595.20 × 1,254,679.20
  4. Step 4: Simplify right side
    1,396,396.80x = 2,628,045,029,859.84
  5. Step 5: Solve for x
    x = 2,628,045,029,859.84/1,396,396.80
  6. Step 6: Final answer
    x = 1,882,018.80

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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.