Finding the Fourth Proportional to 1,201,180.29, 1,657,628.94 and 657,316.19
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Solution
The fourth proportional to 1,201,180.29, 1,657,628.94 and 657,316.19 is: 907,096.41
Step by Step Solution
- Step 1: Write the proportion equation
1,201,180.29 : 1,657,628.94 = 657,316.19 : x - Step 2: Convert to fraction form
1,201,180.29/1,657,628.94 = 657,316.19/x - Step 3: Cross multiply
1,201,180.29x = 1,657,628.94 × 657,316.19 - Step 4: Simplify right side
1,201,180.29x = 1,089,586,330,986.39 - Step 5: Solve for x
x = 1,089,586,330,986.39/1,201,180.29 - Step 6: Final answer
x = 907,096.41
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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.