Finding the Fourth Proportional to 1,283,738.70, 1,771,614.72 and 710,778.84
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Solution
The fourth proportional to 1,283,738.70, 1,771,614.72 and 710,778.84 is: 980,905.43
Step by Step Solution
- Step 1: Write the proportion equation
1,283,738.70 : 1,771,614.72 = 710,778.84 : x - Step 2: Convert to fraction form
1,283,738.70/1,771,614.72 = 710,778.84/x - Step 3: Cross multiply
1,283,738.70x = 1,771,614.72 × 710,778.84 - Step 4: Simplify right side
1,283,738.70x = 1,259,226,255,608.52 - Step 5: Solve for x
x = 1,259,226,255,608.52/1,283,738.70 - Step 6: Final answer
x = 980,905.43
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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.