Home / 812,936.02-1,219,145.54-759,865.63

Finding the Fourth Proportional to 812,936.02, 1,219,145.54 and 759,865.63

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Solution

The fourth proportional to 812,936.02, 1,219,145.54 and 759,865.63 is: 1,139,556.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,936.02 : 1,219,145.54 = 759,865.63 : x
  2. Step 2: Convert to fraction form
    812,936.02/1,219,145.54 = 759,865.63/x
  3. Step 3: Cross multiply
    812,936.02x = 1,219,145.54 × 759,865.63
  4. Step 4: Simplify right side
    812,936.02x = 926,386,787,718.06
  5. Step 5: Solve for x
    x = 926,386,787,718.06/812,936.02
  6. Step 6: Final answer
    x = 1,139,556.83

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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.