Finding the Fourth Proportional to 1,239,461.28, 1,858,577.94 and 440,623.08
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Solution
The fourth proportional to 1,239,461.28, 1,858,577.94 and 440,623.08 is: 660,716.35
Step by Step Solution
- Step 1: Write the proportion equation
1,239,461.28 : 1,858,577.94 = 440,623.08 : x - Step 2: Convert to fraction form
1,239,461.28/1,858,577.94 = 440,623.08/x - Step 3: Cross multiply
1,239,461.28x = 1,858,577.94 × 440,623.08 - Step 4: Simplify right side
1,239,461.28x = 818,932,336,342.86 - Step 5: Solve for x
x = 818,932,336,342.86/1,239,461.28 - Step 6: Final answer
x = 660,716.35
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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.