Home / 1,568,480.20-2,355,053.10-1,213,894.60

Finding the Fourth Proportional to 1,568,480.20, 2,355,053.10 and 1,213,894.60

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Solution

The fourth proportional to 1,568,480.20, 2,355,053.10 and 1,213,894.60 is: 1,822,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,480.20 : 2,355,053.10 = 1,213,894.60 : x
  2. Step 2: Convert to fraction form
    1,568,480.20/2,355,053.10 = 1,213,894.60/x
  3. Step 3: Cross multiply
    1,568,480.20x = 2,355,053.10 × 1,213,894.60
  4. Step 4: Simplify right side
    1,568,480.20x = 2,858,786,240,803.26
  5. Step 5: Solve for x
    x = 2,858,786,240,803.26/1,568,480.20
  6. Step 6: Final answer
    x = 1,822,647.32

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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.