Home / 1,296,939.12-1,945,479.61-538,857.23

Finding the Fourth Proportional to 1,296,939.12, 1,945,479.61 and 538,857.23

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Solution

The fourth proportional to 1,296,939.12, 1,945,479.61 and 538,857.23 is: 808,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,939.12 : 1,945,479.61 = 538,857.23 : x
  2. Step 2: Convert to fraction form
    1,296,939.12/1,945,479.61 = 538,857.23/x
  3. Step 3: Cross multiply
    1,296,939.12x = 1,945,479.61 × 538,857.23
  4. Step 4: Simplify right side
    1,296,939.12x = 1,048,335,755,835.49
  5. Step 5: Solve for x
    x = 1,048,335,755,835.49/1,296,939.12
  6. Step 6: Final answer
    x = 808,315.32

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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.