Home / 1,381,518-2,072,394.36-384,246

Finding the Fourth Proportional to 1,381,518, 2,072,394.36 and 384,246

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Solution

The fourth proportional to 1,381,518, 2,072,394.36 and 384,246 is: 576,401.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,518 : 2,072,394.36 = 384,246 : x
  2. Step 2: Convert to fraction form
    1,381,518/2,072,394.36 = 384,246/x
  3. Step 3: Cross multiply
    1,381,518x = 2,072,394.36 × 384,246
  4. Step 4: Simplify right side
    1,381,518x = 796,309,243,252.56
  5. Step 5: Solve for x
    x = 796,309,243,252.56/1,381,518
  6. Step 6: Final answer
    x = 576,401.64

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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.