Finding the Fourth Proportional to 1,299,089.82, 1,792,706.84 and 718,302.95
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Solution
The fourth proportional to 1,299,089.82, 1,792,706.84 and 718,302.95 is: 991,237.54
Step by Step Solution
- Step 1: Write the proportion equation
1,299,089.82 : 1,792,706.84 = 718,302.95 : x - Step 2: Convert to fraction form
1,299,089.82/1,792,706.84 = 718,302.95/x - Step 3: Cross multiply
1,299,089.82x = 1,792,706.84 × 718,302.95 - Step 4: Simplify right side
1,299,089.82x = 1,287,706,601,795.77 - Step 5: Solve for x
x = 1,287,706,601,795.77/1,299,089.82 - Step 6: Final answer
x = 991,237.54
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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.