Home / 1,627,942.20-2,441,330.10-828,958.20

Finding the Fourth Proportional to 1,627,942.20, 2,441,330.10 and 828,958.20

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Solution

The fourth proportional to 1,627,942.20, 2,441,330.10 and 828,958.20 is: 1,243,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,942.20 : 2,441,330.10 = 828,958.20 : x
  2. Step 2: Convert to fraction form
    1,627,942.20/2,441,330.10 = 828,958.20/x
  3. Step 3: Cross multiply
    1,627,942.20x = 2,441,330.10 × 828,958.20
  4. Step 4: Simplify right side
    1,627,942.20x = 2,023,760,605,301.82
  5. Step 5: Solve for x
    x = 2,023,760,605,301.82/1,627,942.20
  6. Step 6: Final answer
    x = 1,243,140.33

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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.