Finding the Fourth Proportional to 1,398,530.60, 2,098,832.70 and 925,058.60
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Solution
The fourth proportional to 1,398,530.60, 2,098,832.70 and 925,058.60 is: 1,388,273.69
Step by Step Solution
- Step 1: Write the proportion equation
1,398,530.60 : 2,098,832.70 = 925,058.60 : x - Step 2: Convert to fraction form
1,398,530.60/2,098,832.70 = 925,058.60/x - Step 3: Cross multiply
1,398,530.60x = 2,098,832.70 × 925,058.60 - Step 4: Simplify right side
1,398,530.60x = 1,941,543,239,096.22 - Step 5: Solve for x
x = 1,941,543,239,096.22/1,398,530.60 - Step 6: Final answer
x = 1,388,273.69
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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.