Finding the Fourth Proportional to 1,112,795.70, 1,535,639.67 and 629,342.70
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Solution
The fourth proportional to 1,112,795.70, 1,535,639.67 and 629,342.70 is: 868,482.52
Step by Step Solution
- Step 1: Write the proportion equation
1,112,795.70 : 1,535,639.67 = 629,342.70 : x - Step 2: Convert to fraction form
1,112,795.70/1,535,639.67 = 629,342.70/x - Step 3: Cross multiply
1,112,795.70x = 1,535,639.67 × 629,342.70 - Step 4: Simplify right side
1,112,795.70x = 966,443,616,144.91 - Step 5: Solve for x
x = 966,443,616,144.91/1,112,795.70 - Step 6: Final answer
x = 868,482.52
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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.