Finding the Fourth Proportional to 1,182,737.19, 1,632,177.98 and 638,872.99
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Solution
The fourth proportional to 1,182,737.19, 1,632,177.98 and 638,872.99 is: 881,645.07
Step by Step Solution
- Step 1: Write the proportion equation
1,182,737.19 : 1,632,177.98 = 638,872.99 : x - Step 2: Convert to fraction form
1,182,737.19/1,632,177.98 = 638,872.99/x - Step 3: Cross multiply
1,182,737.19x = 1,632,177.98 × 638,872.99 - Step 4: Simplify right side
1,182,737.19x = 1,042,754,421,415.72 - Step 5: Solve for x
x = 1,042,754,421,415.72/1,182,737.19 - Step 6: Final answer
x = 881,645.07
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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.