Finding the Fourth Proportional to 1,053,728.94, 1,580,126.85 and 756,996.78
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Solution
The fourth proportional to 1,053,728.94, 1,580,126.85 and 756,996.78 is: 1,135,159.99
Step by Step Solution
- Step 1: Write the proportion equation
1,053,728.94 : 1,580,126.85 = 756,996.78 : x - Step 2: Convert to fraction form
1,053,728.94/1,580,126.85 = 756,996.78/x - Step 3: Cross multiply
1,053,728.94x = 1,580,126.85 × 756,996.78 - Step 4: Simplify right side
1,053,728.94x = 1,196,150,937,441.54 - Step 5: Solve for x
x = 1,196,150,937,441.54/1,053,728.94 - Step 6: Final answer
x = 1,135,159.99
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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.