Finding the Fourth Proportional to 1,252,478.92, 1,728,424.02 and 679,518.94
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Solution
The fourth proportional to 1,252,478.92, 1,728,424.02 and 679,518.94 is: 937,737.82
Step by Step Solution
- Step 1: Write the proportion equation
1,252,478.92 : 1,728,424.02 = 679,518.94 : x - Step 2: Convert to fraction form
1,252,478.92/1,728,424.02 = 679,518.94/x - Step 3: Cross multiply
1,252,478.92x = 1,728,424.02 × 679,518.94 - Step 4: Simplify right side
1,252,478.92x = 1,174,496,857,940.94 - Step 5: Solve for x
x = 1,174,496,857,940.94/1,252,478.92 - Step 6: Final answer
x = 937,737.82
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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.