Home / 1,228,879.13-1,843,629.74-342,415.13

Finding the Fourth Proportional to 1,228,879.13, 1,843,629.74 and 342,415.13

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Solution

The fourth proportional to 1,228,879.13, 1,843,629.74 and 342,415.13 is: 513,709.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,879.13 : 1,843,629.74 = 342,415.13 : x
  2. Step 2: Convert to fraction form
    1,228,879.13/1,843,629.74 = 342,415.13/x
  3. Step 3: Cross multiply
    1,228,879.13x = 1,843,629.74 × 342,415.13
  4. Step 4: Simplify right side
    1,228,879.13x = 631,286,706,163.74
  5. Step 5: Solve for x
    x = 631,286,706,163.74/1,228,879.13
  6. Step 6: Final answer
    x = 513,709.36

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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.