Finding the Fourth Proportional to 1,293,249.90, 1,784,520.99 and 749,380.62
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Solution
The fourth proportional to 1,293,249.90, 1,784,520.99 and 749,380.62 is: 1,034,050.30
Step by Step Solution
- Step 1: Write the proportion equation
1,293,249.90 : 1,784,520.99 = 749,380.62 : x - Step 2: Convert to fraction form
1,293,249.90/1,784,520.99 = 749,380.62/x - Step 3: Cross multiply
1,293,249.90x = 1,784,520.99 × 749,380.62 - Step 4: Simplify right side
1,293,249.90x = 1,337,285,445,889.21 - Step 5: Solve for x
x = 1,337,285,445,889.21/1,293,249.90 - Step 6: Final answer
x = 1,034,050.30
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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.