Finding the Fourth Proportional to 1,279,054.11, 1,765,100.30 and 706,098.99
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Solution
The fourth proportional to 1,279,054.11, 1,765,100.30 and 706,098.99 is: 974,419.71
Step by Step Solution
- Step 1: Write the proportion equation
1,279,054.11 : 1,765,100.30 = 706,098.99 : x - Step 2: Convert to fraction form
1,279,054.11/1,765,100.30 = 706,098.99/x - Step 3: Cross multiply
1,279,054.11x = 1,765,100.30 × 706,098.99 - Step 4: Simplify right side
1,279,054.11x = 1,246,335,532,018.44 - Step 5: Solve for x
x = 1,246,335,532,018.44/1,279,054.11 - Step 6: Final answer
x = 974,419.71
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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.