Home / 1,283,262.45-1,771,296.41-739,761.56

Finding the Fourth Proportional to 1,283,262.45, 1,771,296.41 and 739,761.56

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Solution

The fourth proportional to 1,283,262.45, 1,771,296.41 and 739,761.56 is: 1,021,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,262.45 : 1,771,296.41 = 739,761.56 : x
  2. Step 2: Convert to fraction form
    1,283,262.45/1,771,296.41 = 739,761.56/x
  3. Step 3: Cross multiply
    1,283,262.45x = 1,771,296.41 × 739,761.56
  4. Step 4: Simplify right side
    1,283,262.45x = 1,310,336,990,958.12
  5. Step 5: Solve for x
    x = 1,310,336,990,958.12/1,283,262.45
  6. Step 6: Final answer
    x = 1,021,098.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.