Home / 1,397,843.96-2,096,768.06-425,216.81

Finding the Fourth Proportional to 1,397,843.96, 2,096,768.06 and 425,216.81

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Solution

The fourth proportional to 1,397,843.96, 2,096,768.06 and 425,216.81 is: 637,825.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,843.96 : 2,096,768.06 = 425,216.81 : x
  2. Step 2: Convert to fraction form
    1,397,843.96/2,096,768.06 = 425,216.81/x
  3. Step 3: Cross multiply
    1,397,843.96x = 2,096,768.06 × 425,216.81
  4. Step 4: Simplify right side
    1,397,843.96x = 891,581,013,173.16
  5. Step 5: Solve for x
    x = 891,581,013,173.16/1,397,843.96
  6. Step 6: Final answer
    x = 637,825.85

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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.