Home / 1,212,102.48-1,672,712.82-668,257.32

Finding the Fourth Proportional to 1,212,102.48, 1,672,712.82 and 668,257.32

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Solution

The fourth proportional to 1,212,102.48, 1,672,712.82 and 668,257.32 is: 922,201.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,102.48 : 1,672,712.82 = 668,257.32 : x
  2. Step 2: Convert to fraction form
    1,212,102.48/1,672,712.82 = 668,257.32/x
  3. Step 3: Cross multiply
    1,212,102.48x = 1,672,712.82 × 668,257.32
  4. Step 4: Simplify right side
    1,212,102.48x = 1,117,802,586,222.84
  5. Step 5: Solve for x
    x = 1,117,802,586,222.84/1,212,102.48
  6. Step 6: Final answer
    x = 922,201.39

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1.5x scale

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.