Finding the Fourth Proportional to 1,279,187.84, 1,765,281.84 and 706,229.12
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Solution
The fourth proportional to 1,279,187.84, 1,765,281.84 and 706,229.12 is: 974,597.63
Step by Step Solution
- Step 1: Write the proportion equation
1,279,187.84 : 1,765,281.84 = 706,229.12 : x - Step 2: Convert to fraction form
1,279,187.84/1,765,281.84 = 706,229.12/x - Step 3: Cross multiply
1,279,187.84x = 1,765,281.84 × 706,229.12 - Step 4: Simplify right side
1,279,187.84x = 1,246,693,440,415.18 - Step 5: Solve for x
x = 1,246,693,440,415.18/1,279,187.84 - Step 6: Final answer
x = 974,597.63
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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.