Home / 1,404,049.69-2,106,074.46-393,321.29

Finding the Fourth Proportional to 1,404,049.69, 2,106,074.46 and 393,321.29

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Solution

The fourth proportional to 1,404,049.69, 2,106,074.46 and 393,321.29 is: 589,981.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,049.69 : 2,106,074.46 = 393,321.29 : x
  2. Step 2: Convert to fraction form
    1,404,049.69/2,106,074.46 = 393,321.29/x
  3. Step 3: Cross multiply
    1,404,049.69x = 2,106,074.46 × 393,321.29
  4. Step 4: Simplify right side
    1,404,049.69x = 828,363,923,443.25
  5. Step 5: Solve for x
    x = 828,363,923,443.25/1,404,049.69
  6. Step 6: Final answer
    x = 589,981.91

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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.