Finding the Fourth Proportional to 1,239,036.84, 1,858,555.35 and 440,349.90
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Solution
The fourth proportional to 1,239,036.84, 1,858,555.35 and 440,349.90 is: 660,524.88
Step by Step Solution
- Step 1: Write the proportion equation
1,239,036.84 : 1,858,555.35 = 440,349.90 : x - Step 2: Convert to fraction form
1,239,036.84/1,858,555.35 = 440,349.90/x - Step 3: Cross multiply
1,239,036.84x = 1,858,555.35 × 440,349.90 - Step 4: Simplify right side
1,239,036.84x = 818,414,662,516.97 - Step 5: Solve for x
x = 818,414,662,516.97/1,239,036.84 - Step 6: Final answer
x = 660,524.88
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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.