Home / 1,015,391.76-1,521,485.45-374,814.06

Finding the Fourth Proportional to 1,015,391.76, 1,521,485.45 and 374,814.06

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Solution

The fourth proportional to 1,015,391.76, 1,521,485.45 and 374,814.06 is: 561,629.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,391.76 : 1,521,485.45 = 374,814.06 : x
  2. Step 2: Convert to fraction form
    1,015,391.76/1,521,485.45 = 374,814.06/x
  3. Step 3: Cross multiply
    1,015,391.76x = 1,521,485.45 × 374,814.06
  4. Step 4: Simplify right side
    1,015,391.76x = 570,274,138,745.43
  5. Step 5: Solve for x
    x = 570,274,138,745.43/1,015,391.76
  6. Step 6: Final answer
    x = 561,629.67

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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.