Finding the Fourth Proportional to 1,173,452.94, 1,619,309.07 and 720,656.46
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Solution
The fourth proportional to 1,173,452.94, 1,619,309.07 and 720,656.46 is: 994,471.53
Step by Step Solution
- Step 1: Write the proportion equation
1,173,452.94 : 1,619,309.07 = 720,656.46 : x - Step 2: Convert to fraction form
1,173,452.94/1,619,309.07 = 720,656.46/x - Step 3: Cross multiply
1,173,452.94x = 1,619,309.07 × 720,656.46 - Step 4: Simplify right side
1,173,452.94x = 1,166,965,542,032.09 - Step 5: Solve for x
x = 1,166,965,542,032.09/1,173,452.94 - Step 6: Final answer
x = 994,471.53
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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.