Finding the Fourth Proportional to 1,105,731.26, 1,526,379.95 and 743,365.29
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Solution
The fourth proportional to 1,105,731.26, 1,526,379.95 and 743,365.29 is: 1,026,160.62
Step by Step Solution
- Step 1: Write the proportion equation
1,105,731.26 : 1,526,379.95 = 743,365.29 : x - Step 2: Convert to fraction form
1,105,731.26/1,526,379.95 = 743,365.29/x - Step 3: Cross multiply
1,105,731.26x = 1,526,379.95 × 743,365.29 - Step 4: Simplify right side
1,105,731.26x = 1,134,657,874,181.94 - Step 5: Solve for x
x = 1,134,657,874,181.94/1,105,731.26 - Step 6: Final answer
x = 1,026,160.62
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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.