Home / 1,426,270.91-2,139,406.37-864,124.43

Finding the Fourth Proportional to 1,426,270.91, 2,139,406.37 and 864,124.43

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Solution

The fourth proportional to 1,426,270.91, 2,139,406.37 and 864,124.43 is: 1,296,186.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,270.91 : 2,139,406.37 = 864,124.43 : x
  2. Step 2: Convert to fraction form
    1,426,270.91/2,139,406.37 = 864,124.43/x
  3. Step 3: Cross multiply
    1,426,270.91x = 2,139,406.37 × 864,124.43
  4. Step 4: Simplify right side
    1,426,270.91x = 1,848,713,294,996.97
  5. Step 5: Solve for x
    x = 1,848,713,294,996.97/1,426,270.91
  6. Step 6: Final answer
    x = 1,296,186.64

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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.