Finding the Fourth Proportional to 1,341,998.99, 1,852,009.82 and 769,149.98
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Solution
The fourth proportional to 1,341,998.99, 1,852,009.82 and 769,149.98 is: 1,061,456.32
Step by Step Solution
- Step 1: Write the proportion equation
1,341,998.99 : 1,852,009.82 = 769,149.98 : x - Step 2: Convert to fraction form
1,341,998.99/1,852,009.82 = 769,149.98/x - Step 3: Cross multiply
1,341,998.99x = 1,852,009.82 × 769,149.98 - Step 4: Simplify right side
1,341,998.99x = 1,424,473,302,907.00 - Step 5: Solve for x
x = 1,424,473,302,907.00/1,341,998.99 - Step 6: Final answer
x = 1,061,456.32
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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.