Finding the Fourth Proportional to 1,405,586.25, 1,939,560.12 and 793,701.99
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Solution
The fourth proportional to 1,405,586.25, 1,939,560.12 and 793,701.99 is: 1,095,224.66
Step by Step Solution
- Step 1: Write the proportion equation
1,405,586.25 : 1,939,560.12 = 793,701.99 : x - Step 2: Convert to fraction form
1,405,586.25/1,939,560.12 = 793,701.99/x - Step 3: Cross multiply
1,405,586.25x = 1,939,560.12 × 793,701.99 - Step 4: Simplify right side
1,405,586.25x = 1,539,432,726,968.64 - Step 5: Solve for x
x = 1,539,432,726,968.64/1,405,586.25 - Step 6: Final answer
x = 1,095,224.66
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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.