Finding the Fourth Proportional to 1,253,662.99, 1,730,006.40 and 680,690.05
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Solution
The fourth proportional to 1,253,662.99, 1,730,006.40 and 680,690.05 is: 939,325.92
Step by Step Solution
- Step 1: Write the proportion equation
1,253,662.99 : 1,730,006.40 = 680,690.05 : x - Step 2: Convert to fraction form
1,253,662.99/1,730,006.40 = 680,690.05/x - Step 3: Cross multiply
1,253,662.99x = 1,730,006.40 × 680,690.05 - Step 4: Simplify right side
1,253,662.99x = 1,177,598,141,143.89 - Step 5: Solve for x
x = 1,177,598,141,143.89/1,253,662.99 - Step 6: Final answer
x = 939,325.92
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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.