Finding the Fourth Proportional to 1,072,749.12, 1,606,674.24 and 512,177.28
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Solution
The fourth proportional to 1,072,749.12, 1,606,674.24 and 512,177.28 is: 767,096.45
Step by Step Solution
- Step 1: Write the proportion equation
1,072,749.12 : 1,606,674.24 = 512,177.28 : x - Step 2: Convert to fraction form
1,072,749.12/1,606,674.24 = 512,177.28/x - Step 3: Cross multiply
1,072,749.12x = 1,606,674.24 × 512,177.28 - Step 4: Simplify right side
1,072,749.12x = 822,902,042,089.27 - Step 5: Solve for x
x = 822,902,042,089.27/1,072,749.12 - Step 6: Final answer
x = 767,096.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.