Finding the Fourth Proportional to 1,192,949.36, 1,789,700.15 and 624,639.18
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Solution
The fourth proportional to 1,192,949.36, 1,789,700.15 and 624,639.18 is: 937,103.34
Step by Step Solution
- Step 1: Write the proportion equation
1,192,949.36 : 1,789,700.15 = 624,639.18 : x - Step 2: Convert to fraction form
1,192,949.36/1,789,700.15 = 624,639.18/x - Step 3: Cross multiply
1,192,949.36x = 1,789,700.15 × 624,639.18 - Step 4: Simplify right side
1,192,949.36x = 1,117,916,834,141.88 - Step 5: Solve for x
x = 1,117,916,834,141.88/1,192,949.36 - Step 6: Final answer
x = 937,103.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.