Home / 1,401,841.92-2,102,732.49-390,936.90

Finding the Fourth Proportional to 1,401,841.92, 2,102,732.49 and 390,936.90

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Solution

The fourth proportional to 1,401,841.92, 2,102,732.49 and 390,936.90 is: 586,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,841.92 : 2,102,732.49 = 390,936.90 : x
  2. Step 2: Convert to fraction form
    1,401,841.92/2,102,732.49 = 390,936.90/x
  3. Step 3: Cross multiply
    1,401,841.92x = 2,102,732.49 × 390,936.90
  4. Step 4: Simplify right side
    1,401,841.92x = 822,035,721,169.88
  5. Step 5: Solve for x
    x = 822,035,721,169.88/1,401,841.92
  6. Step 6: Final answer
    x = 586,396.88

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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.