Finding the Fourth Proportional to 1,293,076.44, 1,784,317.68 and 720,169.92
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Solution
The fourth proportional to 1,293,076.44, 1,784,317.68 and 720,169.92 is: 993,763.31
Step by Step Solution
- Step 1: Write the proportion equation
1,293,076.44 : 1,784,317.68 = 720,169.92 : x - Step 2: Convert to fraction form
1,293,076.44/1,784,317.68 = 720,169.92/x - Step 3: Cross multiply
1,293,076.44x = 1,784,317.68 × 720,169.92 - Step 4: Simplify right side
1,293,076.44x = 1,285,011,920,860.19 - Step 5: Solve for x
x = 1,285,011,920,860.19/1,293,076.44 - Step 6: Final answer
x = 993,763.31
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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.