Home / 1,212,465.38-1,673,297.61-668,650.82

Finding the Fourth Proportional to 1,212,465.38, 1,673,297.61 and 668,650.82

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Solution

The fourth proportional to 1,212,465.38, 1,673,297.61 and 668,650.82 is: 922,790.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,465.38 : 1,673,297.61 = 668,650.82 : x
  2. Step 2: Convert to fraction form
    1,212,465.38/1,673,297.61 = 668,650.82/x
  3. Step 3: Cross multiply
    1,212,465.38x = 1,673,297.61 × 668,650.82
  4. Step 4: Simplify right side
    1,212,465.38x = 1,118,851,819,030.54
  5. Step 5: Solve for x
    x = 1,118,851,819,030.54/1,212,465.38
  6. Step 6: Final answer
    x = 922,790.73

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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.