Home / 1,122,893.38-1,683,839.76-323,985.07

Finding the Fourth Proportional to 1,122,893.38, 1,683,839.76 and 323,985.07

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Solution

The fourth proportional to 1,122,893.38, 1,683,839.76 and 323,985.07 is: 485,833.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,893.38 : 1,683,839.76 = 323,985.07 : x
  2. Step 2: Convert to fraction form
    1,122,893.38/1,683,839.76 = 323,985.07/x
  3. Step 3: Cross multiply
    1,122,893.38x = 1,683,839.76 × 323,985.07
  4. Step 4: Simplify right side
    1,122,893.38x = 545,538,942,512.38
  5. Step 5: Solve for x
    x = 545,538,942,512.38/1,122,893.38
  6. Step 6: Final answer
    x = 485,833.25

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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.