Home / 1,312,682.80-1,970,579.40-1,303,351.60

Finding the Fourth Proportional to 1,312,682.80, 1,970,579.40 and 1,303,351.60

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Solution

The fourth proportional to 1,312,682.80, 1,970,579.40 and 1,303,351.60 is: 1,956,571.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,682.80 : 1,970,579.40 = 1,303,351.60 : x
  2. Step 2: Convert to fraction form
    1,312,682.80/1,970,579.40 = 1,303,351.60/x
  3. Step 3: Cross multiply
    1,312,682.80x = 1,970,579.40 × 1,303,351.60
  4. Step 4: Simplify right side
    1,312,682.80x = 2,568,357,813,917.04
  5. Step 5: Solve for x
    x = 2,568,357,813,917.04/1,312,682.80
  6. Step 6: Final answer
    x = 1,956,571.54

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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.