Finding the Fourth Proportional to 1,314,349.80, 1,971,524.70 and 605,761.80
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Solution
The fourth proportional to 1,314,349.80, 1,971,524.70 and 605,761.80 is: 908,642.70
Step by Step Solution
- Step 1: Write the proportion equation
1,314,349.80 : 1,971,524.70 = 605,761.80 : x - Step 2: Convert to fraction form
1,314,349.80/1,971,524.70 = 605,761.80/x - Step 3: Cross multiply
1,314,349.80x = 1,971,524.70 × 605,761.80 - Step 4: Simplify right side
1,314,349.80x = 1,194,274,351,016.46 - Step 5: Solve for x
x = 1,194,274,351,016.46/1,314,349.80 - Step 6: Final answer
x = 908,642.70
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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.