Finding the Fourth Proportional to 1,424,204.91, 1,965,402.63 and 779,625.54
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Solution
The fourth proportional to 1,424,204.91, 1,965,402.63 and 779,625.54 is: 1,075,883.17
Step by Step Solution
- Step 1: Write the proportion equation
1,424,204.91 : 1,965,402.63 = 779,625.54 : x - Step 2: Convert to fraction form
1,424,204.91/1,965,402.63 = 779,625.54/x - Step 3: Cross multiply
1,424,204.91x = 1,965,402.63 × 779,625.54 - Step 4: Simplify right side
1,424,204.91x = 1,532,278,086,731.17 - Step 5: Solve for x
x = 1,532,278,086,731.17/1,424,204.91 - Step 6: Final answer
x = 1,075,883.17
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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.