Home / 1,412,492.80-2,115,628.80-1,225,868.80

Finding the Fourth Proportional to 1,412,492.80, 2,115,628.80 and 1,225,868.80

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Solution

The fourth proportional to 1,412,492.80, 2,115,628.80 and 1,225,868.80 is: 1,836,103.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,492.80 : 2,115,628.80 = 1,225,868.80 : x
  2. Step 2: Convert to fraction form
    1,412,492.80/2,115,628.80 = 1,225,868.80/x
  3. Step 3: Cross multiply
    1,412,492.80x = 2,115,628.80 × 1,225,868.80
  4. Step 4: Simplify right side
    1,412,492.80x = 2,593,483,338,301.44
  5. Step 5: Solve for x
    x = 2,593,483,338,301.44/1,412,492.80
  6. Step 6: Final answer
    x = 1,836,103.76

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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.