Home / 1,010,131.12-1,394,219.52-580,660.40

Finding the Fourth Proportional to 1,010,131.12, 1,394,219.52 and 580,660.40

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Solution

The fourth proportional to 1,010,131.12, 1,394,219.52 and 580,660.40 is: 801,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,131.12 : 1,394,219.52 = 580,660.40 : x
  2. Step 2: Convert to fraction form
    1,010,131.12/1,394,219.52 = 580,660.40/x
  3. Step 3: Cross multiply
    1,010,131.12x = 1,394,219.52 × 580,660.40
  4. Step 4: Simplify right side
    1,010,131.12x = 809,568,064,171.01
  5. Step 5: Solve for x
    x = 809,568,064,171.01/1,010,131.12
  6. Step 6: Final answer
    x = 801,448.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.