Home / 1,079,295.96-1,618,661.70-320,933.28

Finding the Fourth Proportional to 1,079,295.96, 1,618,661.70 and 320,933.28

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Solution

The fourth proportional to 1,079,295.96, 1,618,661.70 and 320,933.28 is: 481,315.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,295.96 : 1,618,661.70 = 320,933.28 : x
  2. Step 2: Convert to fraction form
    1,079,295.96/1,618,661.70 = 320,933.28/x
  3. Step 3: Cross multiply
    1,079,295.96x = 1,618,661.70 × 320,933.28
  4. Step 4: Simplify right side
    1,079,295.96x = 519,482,408,591.38
  5. Step 5: Solve for x
    x = 519,482,408,591.38/1,079,295.96
  6. Step 6: Final answer
    x = 481,315.99

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1.5x scale

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.