Home / 1,379,913.36-2,070,140.84-481,384.41

Finding the Fourth Proportional to 1,379,913.36, 2,070,140.84 and 481,384.41

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Solution

The fourth proportional to 1,379,913.36, 2,070,140.84 and 481,384.41 is: 722,171.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,913.36 : 2,070,140.84 = 481,384.41 : x
  2. Step 2: Convert to fraction form
    1,379,913.36/2,070,140.84 = 481,384.41/x
  3. Step 3: Cross multiply
    1,379,913.36x = 2,070,140.84 × 481,384.41
  4. Step 4: Simplify right side
    1,379,913.36x = 996,533,524,473.38
  5. Step 5: Solve for x
    x = 996,533,524,473.38/1,379,913.36
  6. Step 6: Final answer
    x = 722,171.08

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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.