Finding the Fourth Proportional to 1,253,712.03, 1,730,142.99 and 680,753.57
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Solution
The fourth proportional to 1,253,712.03, 1,730,142.99 and 680,753.57 is: 939,450.99
Step by Step Solution
- Step 1: Write the proportion equation
1,253,712.03 : 1,730,142.99 = 680,753.57 : x - Step 2: Convert to fraction form
1,253,712.03/1,730,142.99 = 680,753.57/x - Step 3: Cross multiply
1,253,712.03x = 1,730,142.99 × 680,753.57 - Step 4: Simplify right side
1,253,712.03x = 1,177,801,008,402.26 - Step 5: Solve for x
x = 1,177,801,008,402.26/1,253,712.03 - Step 6: Final answer
x = 939,450.99
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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.