Home / 1,121,419.45-1,682,153.01-401,808.03

Finding the Fourth Proportional to 1,121,419.45, 1,682,153.01 and 401,808.03

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Solution

The fourth proportional to 1,121,419.45, 1,682,153.01 and 401,808.03 is: 602,720.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,419.45 : 1,682,153.01 = 401,808.03 : x
  2. Step 2: Convert to fraction form
    1,121,419.45/1,682,153.01 = 401,808.03/x
  3. Step 3: Cross multiply
    1,121,419.45x = 1,682,153.01 × 401,808.03
  4. Step 4: Simplify right side
    1,121,419.45x = 675,902,587,106.67
  5. Step 5: Solve for x
    x = 675,902,587,106.67/1,121,419.45
  6. Step 6: Final answer
    x = 602,720.59

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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.