Finding the Fourth Proportional to 1,412,136.40, 1,948,750.71 and 767,554.84
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Solution
The fourth proportional to 1,412,136.40, 1,948,750.71 and 767,554.84 is: 1,059,227.03
Step by Step Solution
- Step 1: Write the proportion equation
1,412,136.40 : 1,948,750.71 = 767,554.84 : x - Step 2: Convert to fraction form
1,412,136.40/1,948,750.71 = 767,554.84/x - Step 3: Cross multiply
1,412,136.40x = 1,948,750.71 × 767,554.84 - Step 4: Simplify right side
1,412,136.40x = 1,495,773,039,413.94 - Step 5: Solve for x
x = 1,495,773,039,413.94/1,412,136.40 - Step 6: Final answer
x = 1,059,227.03
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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.