Home / 1,212,119.34-1,672,736.34-668,276.22

Finding the Fourth Proportional to 1,212,119.34, 1,672,736.34 and 668,276.22

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Solution

The fourth proportional to 1,212,119.34, 1,672,736.34 and 668,276.22 is: 922,227.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,119.34 : 1,672,736.34 = 668,276.22 : x
  2. Step 2: Convert to fraction form
    1,212,119.34/1,672,736.34 = 668,276.22/x
  3. Step 3: Cross multiply
    1,212,119.34x = 1,672,736.34 × 668,276.22
  4. Step 4: Simplify right side
    1,212,119.34x = 1,117,849,918,351.83
  5. Step 5: Solve for x
    x = 1,117,849,918,351.83/1,212,119.34
  6. Step 6: Final answer
    x = 922,227.61

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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.