Home / 1,212,465.88-1,673,298.30-668,651.32

Finding the Fourth Proportional to 1,212,465.88, 1,673,298.30 and 668,651.32

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Solution

The fourth proportional to 1,212,465.88, 1,673,298.30 and 668,651.32 is: 922,791.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,465.88 : 1,673,298.30 = 668,651.32 : x
  2. Step 2: Convert to fraction form
    1,212,465.88/1,673,298.30 = 668,651.32/x
  3. Step 3: Cross multiply
    1,212,465.88x = 1,673,298.30 × 668,651.32
  4. Step 4: Simplify right side
    1,212,465.88x = 1,118,853,117,048.76
  5. Step 5: Solve for x
    x = 1,118,853,117,048.76/1,212,465.88
  6. Step 6: Final answer
    x = 922,791.42

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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.