Finding the Fourth Proportional to 1,338,153.84, 1,846,679.74 and 757,376.96
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Solution
The fourth proportional to 1,338,153.84, 1,846,679.74 and 757,376.96 is: 1,045,195.74
Step by Step Solution
- Step 1: Write the proportion equation
1,338,153.84 : 1,846,679.74 = 757,376.96 : x - Step 2: Convert to fraction form
1,338,153.84/1,846,679.74 = 757,376.96/x - Step 3: Cross multiply
1,338,153.84x = 1,846,679.74 × 757,376.96 - Step 4: Simplify right side
1,338,153.84x = 1,398,632,687,574.79 - Step 5: Solve for x
x = 1,398,632,687,574.79/1,338,153.84 - Step 6: Final answer
x = 1,045,195.74
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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.