Home / 1,369,010.20-2,049,578.70-1,329,644.20

Finding the Fourth Proportional to 1,369,010.20, 2,049,578.70 and 1,329,644.20

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Solution

The fourth proportional to 1,369,010.20, 2,049,578.70 and 1,329,644.20 is: 1,990,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,010.20 : 2,049,578.70 = 1,329,644.20 : x
  2. Step 2: Convert to fraction form
    1,369,010.20/2,049,578.70 = 1,329,644.20/x
  3. Step 3: Cross multiply
    1,369,010.20x = 2,049,578.70 × 1,329,644.20
  4. Step 4: Simplify right side
    1,369,010.20x = 2,725,210,430,898.54
  5. Step 5: Solve for x
    x = 2,725,210,430,898.54/1,369,010.20
  6. Step 6: Final answer
    x = 1,990,642.90

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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.