Home / 1,212,062.89-1,672,659.68-668,218.14

Finding the Fourth Proportional to 1,212,062.89, 1,672,659.68 and 668,218.14

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Solution

The fourth proportional to 1,212,062.89, 1,672,659.68 and 668,218.14 is: 922,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,062.89 : 1,672,659.68 = 668,218.14 : x
  2. Step 2: Convert to fraction form
    1,212,062.89/1,672,659.68 = 668,218.14/x
  3. Step 3: Cross multiply
    1,212,062.89x = 1,672,659.68 × 668,218.14
  4. Step 4: Simplify right side
    1,212,062.89x = 1,117,701,536,881.50
  5. Step 5: Solve for x
    x = 1,117,701,536,881.50/1,212,062.89
  6. Step 6: Final answer
    x = 922,148.14

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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.