Home / 1,121,373.05-1,682,317.17-322,661.21

Finding the Fourth Proportional to 1,121,373.05, 1,682,317.17 and 322,661.21

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Solution

The fourth proportional to 1,121,373.05, 1,682,317.17 and 322,661.21 is: 484,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,373.05 : 1,682,317.17 = 322,661.21 : x
  2. Step 2: Convert to fraction form
    1,121,373.05/1,682,317.17 = 322,661.21/x
  3. Step 3: Cross multiply
    1,121,373.05x = 1,682,317.17 × 322,661.21
  4. Step 4: Simplify right side
    1,121,373.05x = 542,818,493,675.98
  5. Step 5: Solve for x
    x = 542,818,493,675.98/1,121,373.05
  6. Step 6: Final answer
    x = 484,065.93

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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.