Finding the Fourth Proportional to 1,201,180.99, 1,657,629.92 and 657,316.81
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Solution
The fourth proportional to 1,201,180.99, 1,657,629.92 and 657,316.81 is: 907,097.29
Step by Step Solution
- Step 1: Write the proportion equation
1,201,180.99 : 1,657,629.92 = 657,316.81 : x - Step 2: Convert to fraction form
1,201,180.99/1,657,629.92 = 657,316.81/x - Step 3: Cross multiply
1,201,180.99x = 1,657,629.92 × 657,316.81 - Step 4: Simplify right side
1,201,180.99x = 1,089,588,015,854.96 - Step 5: Solve for x
x = 1,089,588,015,854.96/1,201,180.99 - Step 6: Final answer
x = 907,097.29
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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.