Finding the Fourth Proportional to 1,275,343.48, 1,759,917.22 and 731,089.08
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Solution
The fourth proportional to 1,275,343.48, 1,759,917.22 and 731,089.08 is: 1,008,870.38
Step by Step Solution
- Step 1: Write the proportion equation
1,275,343.48 : 1,759,917.22 = 731,089.08 : x - Step 2: Convert to fraction form
1,275,343.48/1,759,917.22 = 731,089.08/x - Step 3: Cross multiply
1,275,343.48x = 1,759,917.22 × 731,089.08 - Step 4: Simplify right side
1,275,343.48x = 1,286,656,261,245.96 - Step 5: Solve for x
x = 1,286,656,261,245.96/1,275,343.48 - Step 6: Final answer
x = 1,008,870.38
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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.