Finding the Fourth Proportional to 1,190,342.53, 1,642,779.83 and 674,221.96
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Solution
The fourth proportional to 1,190,342.53, 1,642,779.83 and 674,221.96 is: 930,486.99
Step by Step Solution
- Step 1: Write the proportion equation
1,190,342.53 : 1,642,779.83 = 674,221.96 : x - Step 2: Convert to fraction form
1,190,342.53/1,642,779.83 = 674,221.96/x - Step 3: Cross multiply
1,190,342.53x = 1,642,779.83 × 674,221.96 - Step 4: Simplify right side
1,190,342.53x = 1,107,598,234,409.67 - Step 5: Solve for x
x = 1,107,598,234,409.67/1,190,342.53 - Step 6: Final answer
x = 930,486.99
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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.