Home / 1,401,007.80-2,098,401.30-1,214,383.80

Finding the Fourth Proportional to 1,401,007.80, 2,098,401.30 and 1,214,383.80

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Solution

The fourth proportional to 1,401,007.80, 2,098,401.30 and 1,214,383.80 is: 1,818,879.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,007.80 : 2,098,401.30 = 1,214,383.80 : x
  2. Step 2: Convert to fraction form
    1,401,007.80/2,098,401.30 = 1,214,383.80/x
  3. Step 3: Cross multiply
    1,401,007.80x = 2,098,401.30 × 1,214,383.80
  4. Step 4: Simplify right side
    1,401,007.80x = 2,548,264,544,618.94
  5. Step 5: Solve for x
    x = 2,548,264,544,618.94/1,401,007.80
  6. Step 6: Final answer
    x = 1,818,879.63

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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.