Home / 1,288,018.06-1,932,912.90-446,569.84

Finding the Fourth Proportional to 1,288,018.06, 1,932,912.90 and 446,569.84

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Solution

The fourth proportional to 1,288,018.06, 1,932,912.90 and 446,569.84 is: 670,161.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,018.06 : 1,932,912.90 = 446,569.84 : x
  2. Step 2: Convert to fraction form
    1,288,018.06/1,932,912.90 = 446,569.84/x
  3. Step 3: Cross multiply
    1,288,018.06x = 1,932,912.90 × 446,569.84
  4. Step 4: Simplify right side
    1,288,018.06x = 863,180,604,486.94
  5. Step 5: Solve for x
    x = 863,180,604,486.94/1,288,018.06
  6. Step 6: Final answer
    x = 670,161.88

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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.