Home / 1,122,383.82-1,683,824.49-323,603.02

Finding the Fourth Proportional to 1,122,383.82, 1,683,824.49 and 323,603.02

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Solution

The fourth proportional to 1,122,383.82, 1,683,824.49 and 323,603.02 is: 485,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,383.82 : 1,683,824.49 = 323,603.02 : x
  2. Step 2: Convert to fraction form
    1,122,383.82/1,683,824.49 = 323,603.02/x
  3. Step 3: Cross multiply
    1,122,383.82x = 1,683,824.49 × 323,603.02
  4. Step 4: Simplify right side
    1,122,383.82x = 544,890,690,113.96
  5. Step 5: Solve for x
    x = 544,890,690,113.96/1,122,383.82
  6. Step 6: Final answer
    x = 485,476.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.