Finding the Fourth Proportional to 1,424,113.26, 1,965,276.92 and 779,537.13
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Solution
The fourth proportional to 1,424,113.26, 1,965,276.92 and 779,537.13 is: 1,075,761.58
Step by Step Solution
- Step 1: Write the proportion equation
1,424,113.26 : 1,965,276.92 = 779,537.13 : x - Step 2: Convert to fraction form
1,424,113.26/1,965,276.92 = 779,537.13/x - Step 3: Cross multiply
1,424,113.26x = 1,965,276.92 × 779,537.13 - Step 4: Simplify right side
1,424,113.26x = 1,532,006,329,872.04 - Step 5: Solve for x
x = 1,532,006,329,872.04/1,424,113.26 - Step 6: Final answer
x = 1,075,761.58
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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.