Home / 1,394,214.20-2,091,278.10-396,942.20

Finding the Fourth Proportional to 1,394,214.20, 2,091,278.10 and 396,942.20

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Solution

The fourth proportional to 1,394,214.20, 2,091,278.10 and 396,942.20 is: 595,401.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,214.20 : 2,091,278.10 = 396,942.20 : x
  2. Step 2: Convert to fraction form
    1,394,214.20/2,091,278.10 = 396,942.20/x
  3. Step 3: Cross multiply
    1,394,214.20x = 2,091,278.10 × 396,942.20
  4. Step 4: Simplify right side
    1,394,214.20x = 830,116,529,825.82
  5. Step 5: Solve for x
    x = 830,116,529,825.82/1,394,214.20
  6. Step 6: Final answer
    x = 595,401.00

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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.