Home / 1,185,550.45-1,636,099.28-726,576.33

Finding the Fourth Proportional to 1,185,550.45, 1,636,099.28 and 726,576.33

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Solution

The fourth proportional to 1,185,550.45, 1,636,099.28 and 726,576.33 is: 1,002,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,550.45 : 1,636,099.28 = 726,576.33 : x
  2. Step 2: Convert to fraction form
    1,185,550.45/1,636,099.28 = 726,576.33/x
  3. Step 3: Cross multiply
    1,185,550.45x = 1,636,099.28 × 726,576.33
  4. Step 4: Simplify right side
    1,185,550.45x = 1,188,751,009,812.85
  5. Step 5: Solve for x
    x = 1,188,751,009,812.85/1,185,550.45
  6. Step 6: Final answer
    x = 1,002,699.64

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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.