Home / 1,212,076.78-1,672,677.57-668,232.46

Finding the Fourth Proportional to 1,212,076.78, 1,672,677.57 and 668,232.46

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Solution

The fourth proportional to 1,212,076.78, 1,672,677.57 and 668,232.46 is: 922,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,076.78 : 1,672,677.57 = 668,232.46 : x
  2. Step 2: Convert to fraction form
    1,212,076.78/1,672,677.57 = 668,232.46/x
  3. Step 3: Cross multiply
    1,212,076.78x = 1,672,677.57 × 668,232.46
  4. Step 4: Simplify right side
    1,212,076.78x = 1,117,737,447,387.92
  5. Step 5: Solve for x
    x = 1,117,737,447,387.92/1,212,076.78
  6. Step 6: Final answer
    x = 922,167.20

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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.