Finding the Fourth Proportional to 1,161,028.37, 1,602,074.07 and 644,712.07
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Solution
The fourth proportional to 1,161,028.37, 1,602,074.07 and 644,712.07 is: 889,622.09
Step by Step Solution
- Step 1: Write the proportion equation
1,161,028.37 : 1,602,074.07 = 644,712.07 : x - Step 2: Convert to fraction form
1,161,028.37/1,602,074.07 = 644,712.07/x - Step 3: Cross multiply
1,161,028.37x = 1,602,074.07 × 644,712.07 - Step 4: Simplify right side
1,161,028.37x = 1,032,876,489,963.02 - Step 5: Solve for x
x = 1,032,876,489,963.02/1,161,028.37 - Step 6: Final answer
x = 889,622.09
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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.