Home / 1,212,195.36-1,672,827.32-668,327.34

Finding the Fourth Proportional to 1,212,195.36, 1,672,827.32 and 668,327.34

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Solution

The fourth proportional to 1,212,195.36, 1,672,827.32 and 668,327.34 is: 922,290.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,195.36 : 1,672,827.32 = 668,327.34 : x
  2. Step 2: Convert to fraction form
    1,212,195.36/1,672,827.32 = 668,327.34/x
  3. Step 3: Cross multiply
    1,212,195.36x = 1,672,827.32 × 668,327.34
  4. Step 4: Simplify right side
    1,212,195.36x = 1,117,996,233,054.93
  5. Step 5: Solve for x
    x = 1,117,996,233,054.93/1,212,195.36
  6. Step 6: Final answer
    x = 922,290.47

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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.