Finding the Fourth Proportional to 1,351,645.88, 1,865,070.62 and 820,940.96
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Solution
The fourth proportional to 1,351,645.88, 1,865,070.62 and 820,940.96 is: 1,132,776.63
Step by Step Solution
- Step 1: Write the proportion equation
1,351,645.88 : 1,865,070.62 = 820,940.96 : x - Step 2: Convert to fraction form
1,351,645.88/1,865,070.62 = 820,940.96/x - Step 3: Cross multiply
1,351,645.88x = 1,865,070.62 × 820,940.96 - Step 4: Simplify right side
1,351,645.88x = 1,531,112,865,250.60 - Step 5: Solve for x
x = 1,531,112,865,250.60/1,351,645.88 - Step 6: Final answer
x = 1,132,776.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.