Finding the Fourth Proportional to 1,126,584.44, 1,688,914.38 and 416,480.12
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Solution
The fourth proportional to 1,126,584.44, 1,688,914.38 and 416,480.12 is: 624,364.44
Step by Step Solution
- Step 1: Write the proportion equation
1,126,584.44 : 1,688,914.38 = 416,480.12 : x - Step 2: Convert to fraction form
1,126,584.44/1,688,914.38 = 416,480.12/x - Step 3: Cross multiply
1,126,584.44x = 1,688,914.38 × 416,480.12 - Step 4: Simplify right side
1,126,584.44x = 703,399,263,652.13 - Step 5: Solve for x
x = 703,399,263,652.13/1,126,584.44 - Step 6: Final answer
x = 624,364.44
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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.