Home / 1,200,515.13-1,800,584.78-401,790.33

Finding the Fourth Proportional to 1,200,515.13, 1,800,584.78 and 401,790.33

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Solution

The fourth proportional to 1,200,515.13, 1,800,584.78 and 401,790.33 is: 602,622.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,515.13 : 1,800,584.78 = 401,790.33 : x
  2. Step 2: Convert to fraction form
    1,200,515.13/1,800,584.78 = 401,790.33/x
  3. Step 3: Cross multiply
    1,200,515.13x = 1,800,584.78 × 401,790.33
  4. Step 4: Simplify right side
    1,200,515.13x = 723,457,550,940.23
  5. Step 5: Solve for x
    x = 723,457,550,940.23/1,200,515.13
  6. Step 6: Final answer
    x = 602,622.60

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1.5x scale

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.