Home / 1,092,600.90-1,638,901.35-994,623.30

Finding the Fourth Proportional to 1,092,600.90, 1,638,901.35 and 994,623.30

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Solution

The fourth proportional to 1,092,600.90, 1,638,901.35 and 994,623.30 is: 1,491,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,600.90 : 1,638,901.35 = 994,623.30 : x
  2. Step 2: Convert to fraction form
    1,092,600.90/1,638,901.35 = 994,623.30/x
  3. Step 3: Cross multiply
    1,092,600.90x = 1,638,901.35 × 994,623.30
  4. Step 4: Simplify right side
    1,092,600.90x = 1,630,089,469,111.46
  5. Step 5: Solve for x
    x = 1,630,089,469,111.46/1,092,600.90
  6. Step 6: Final answer
    x = 1,491,934.95

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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.