Finding the Fourth Proportional to 1,279,188.84, 1,765,283.22 and 706,230.12
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Solution
The fourth proportional to 1,279,188.84, 1,765,283.22 and 706,230.12 is: 974,599.01
Step by Step Solution
- Step 1: Write the proportion equation
1,279,188.84 : 1,765,283.22 = 706,230.12 : x - Step 2: Convert to fraction form
1,279,188.84/1,765,283.22 = 706,230.12/x - Step 3: Cross multiply
1,279,188.84x = 1,765,283.22 × 706,230.12 - Step 4: Simplify right side
1,279,188.84x = 1,246,696,180,294.59 - Step 5: Solve for x
x = 1,246,696,180,294.59/1,279,188.84 - Step 6: Final answer
x = 974,599.01
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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.