Finding the Fourth Proportional to 1,105,725.95, 1,526,372.62 and 743,359.97
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Solution
The fourth proportional to 1,105,725.95, 1,526,372.62 and 743,359.97 is: 1,026,153.28
Step by Step Solution
- Step 1: Write the proportion equation
1,105,725.95 : 1,526,372.62 = 743,359.97 : x - Step 2: Convert to fraction form
1,105,725.95/1,526,372.62 = 743,359.97/x - Step 3: Cross multiply
1,105,725.95x = 1,526,372.62 × 743,359.97 - Step 4: Simplify right side
1,105,725.95x = 1,134,644,306,969.55 - Step 5: Solve for x
x = 1,134,644,306,969.55/1,105,725.95 - Step 6: Final answer
x = 1,026,153.28
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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.