Finding the Fourth Proportional to 1,279,132.97, 1,765,192.10 and 706,160.84
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Solution
The fourth proportional to 1,279,132.97, 1,765,192.10 and 706,160.84 is: 974,495.66
Step by Step Solution
- Step 1: Write the proportion equation
1,279,132.97 : 1,765,192.10 = 706,160.84 : x - Step 2: Convert to fraction form
1,279,132.97/1,765,192.10 = 706,160.84/x - Step 3: Cross multiply
1,279,132.97x = 1,765,192.10 × 706,160.84 - Step 4: Simplify right side
1,279,132.97x = 1,246,509,523,740.60 - Step 5: Solve for x
x = 1,246,509,523,740.60/1,279,132.97 - Step 6: Final answer
x = 974,495.66
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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.