Finding the Fourth Proportional to 1,109,177.60, 1,529,278.10 and 925,680.09
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Solution
The fourth proportional to 1,109,177.60, 1,529,278.10 and 925,680.09 is: 1,276,281.00
Step by Step Solution
- Step 1: Write the proportion equation
1,109,177.60 : 1,529,278.10 = 925,680.09 : x - Step 2: Convert to fraction form
1,109,177.60/1,529,278.10 = 925,680.09/x - Step 3: Cross multiply
1,109,177.60x = 1,529,278.10 × 925,680.09 - Step 4: Simplify right side
1,109,177.60x = 1,415,622,284,614.63 - Step 5: Solve for x
x = 1,415,622,284,614.63/1,109,177.60 - Step 6: Final answer
x = 1,276,281.00
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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.