Finding the Fourth Proportional to 1,158,232.97, 1,598,420.49 and 668,020.18
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Solution
The fourth proportional to 1,158,232.97, 1,598,420.49 and 668,020.18 is: 921,901.87
Step by Step Solution
- Step 1: Write the proportion equation
1,158,232.97 : 1,598,420.49 = 668,020.18 : x - Step 2: Convert to fraction form
1,158,232.97/1,598,420.49 = 668,020.18/x - Step 3: Cross multiply
1,158,232.97x = 1,598,420.49 × 668,020.18 - Step 4: Simplify right side
1,158,232.97x = 1,067,777,139,941.40 - Step 5: Solve for x
x = 1,067,777,139,941.40/1,158,232.97 - Step 6: Final answer
x = 921,901.87
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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.