Home / 1,212,099.03-1,672,707.48-668,254.09

Finding the Fourth Proportional to 1,212,099.03, 1,672,707.48 and 668,254.09

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Solution

The fourth proportional to 1,212,099.03, 1,672,707.48 and 668,254.09 is: 922,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,099.03 : 1,672,707.48 = 668,254.09 : x
  2. Step 2: Convert to fraction form
    1,212,099.03/1,672,707.48 = 668,254.09/x
  3. Step 3: Cross multiply
    1,212,099.03x = 1,672,707.48 × 668,254.09
  4. Step 4: Simplify right side
    1,212,099.03x = 1,117,793,614,883.59
  5. Step 5: Solve for x
    x = 1,117,793,614,883.59/1,212,099.03
  6. Step 6: Final answer
    x = 922,196.61

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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.