Home / 1,296,678.38-1,945,172.88-398,002.41

Finding the Fourth Proportional to 1,296,678.38, 1,945,172.88 and 398,002.41

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Solution

The fourth proportional to 1,296,678.38, 1,945,172.88 and 398,002.41 is: 597,051.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,678.38 : 1,945,172.88 = 398,002.41 : x
  2. Step 2: Convert to fraction form
    1,296,678.38/1,945,172.88 = 398,002.41/x
  3. Step 3: Cross multiply
    1,296,678.38x = 1,945,172.88 × 398,002.41
  4. Step 4: Simplify right side
    1,296,678.38x = 774,183,494,106.64
  5. Step 5: Solve for x
    x = 774,183,494,106.64/1,296,678.38
  6. Step 6: Final answer
    x = 597,051.29

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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.