Finding the Fourth Proportional to 1,279,168.84, 1,765,255.62 and 706,210.12
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Solution
The fourth proportional to 1,279,168.84, 1,765,255.62 and 706,210.12 is: 974,571.41
Step by Step Solution
- Step 1: Write the proportion equation
1,279,168.84 : 1,765,255.62 = 706,210.12 : x - Step 2: Convert to fraction form
1,279,168.84/1,765,255.62 = 706,210.12/x - Step 3: Cross multiply
1,279,168.84x = 1,765,255.62 × 706,210.12 - Step 4: Simplify right side
1,279,168.84x = 1,246,641,383,230.87 - Step 5: Solve for x
x = 1,246,641,383,230.87/1,279,168.84 - Step 6: Final answer
x = 974,571.41
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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.