Finding the Fourth Proportional to 1,290,770.93, 1,936,277.81 and 379,953.99
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Solution
The fourth proportional to 1,290,770.93, 1,936,277.81 and 379,953.99 is: 569,966.73
Step by Step Solution
- Step 1: Write the proportion equation
1,290,770.93 : 1,936,277.81 = 379,953.99 : x - Step 2: Convert to fraction form
1,290,770.93/1,936,277.81 = 379,953.99/x - Step 3: Cross multiply
1,290,770.93x = 1,936,277.81 × 379,953.99 - Step 4: Simplify right side
1,290,770.93x = 735,696,477,758.19 - Step 5: Solve for x
x = 735,696,477,758.19/1,290,770.93 - Step 6: Final answer
x = 569,966.73
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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.