Finding the Fourth Proportional to 1,436,590.48, 1,982,435.04 and 783,202.32
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Solution
The fourth proportional to 1,436,590.48, 1,982,435.04 and 783,202.32 is: 1,080,786.59
Step by Step Solution
- Step 1: Write the proportion equation
1,436,590.48 : 1,982,435.04 = 783,202.32 : x - Step 2: Convert to fraction form
1,436,590.48/1,982,435.04 = 783,202.32/x - Step 3: Cross multiply
1,436,590.48x = 1,982,435.04 × 783,202.32 - Step 4: Simplify right side
1,436,590.48x = 1,552,647,722,577.29 - Step 5: Solve for x
x = 1,552,647,722,577.29/1,436,590.48 - Step 6: Final answer
x = 1,080,786.59
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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.