Home / 1,103,954.74-1,523,234.27-644,980.67

Finding the Fourth Proportional to 1,103,954.74, 1,523,234.27 and 644,980.67

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Solution

The fourth proportional to 1,103,954.74, 1,523,234.27 and 644,980.67 is: 889,942.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,954.74 : 1,523,234.27 = 644,980.67 : x
  2. Step 2: Convert to fraction form
    1,103,954.74/1,523,234.27 = 644,980.67/x
  3. Step 3: Cross multiply
    1,103,954.74x = 1,523,234.27 × 644,980.67
  4. Step 4: Simplify right side
    1,103,954.74x = 982,456,654,027.84
  5. Step 5: Solve for x
    x = 982,456,654,027.84/1,103,954.74
  6. Step 6: Final answer
    x = 889,942.88

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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.