Home / 1,758,808.40-2,629,918.20-1,310,910.80

Finding the Fourth Proportional to 1,758,808.40, 2,629,918.20 and 1,310,910.80

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Solution

The fourth proportional to 1,758,808.40, 2,629,918.20 and 1,310,910.80 is: 1,960,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,808.40 : 2,629,918.20 = 1,310,910.80 : x
  2. Step 2: Convert to fraction form
    1,758,808.40/2,629,918.20 = 1,310,910.80/x
  3. Step 3: Cross multiply
    1,758,808.40x = 2,629,918.20 × 1,310,910.80
  4. Step 4: Simplify right side
    1,758,808.40x = 3,447,588,171,496.56
  5. Step 5: Solve for x
    x = 3,447,588,171,496.56/1,758,808.40
  6. Step 6: Final answer
    x = 1,960,184.05

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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.