Finding the Fourth Proportional to 1,105,503.88, 1,657,691.47 and 505,950.99
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Solution
The fourth proportional to 1,105,503.88, 1,657,691.47 and 505,950.99 is: 758,668.20
Step by Step Solution
- Step 1: Write the proportion equation
1,105,503.88 : 1,657,691.47 = 505,950.99 : x - Step 2: Convert to fraction form
1,105,503.88/1,657,691.47 = 505,950.99/x - Step 3: Cross multiply
1,105,503.88x = 1,657,691.47 × 505,950.99 - Step 4: Simplify right side
1,105,503.88x = 838,710,640,361.06 - Step 5: Solve for x
x = 838,710,640,361.06/1,105,503.88 - Step 6: Final answer
x = 758,668.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.