Finding the Fourth Proportional to 1,080,431.48, 1,490,989.74 and 597,029.96
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Solution
The fourth proportional to 1,080,431.48, 1,490,989.74 and 597,029.96 is: 823,898.19
Step by Step Solution
- Step 1: Write the proportion equation
1,080,431.48 : 1,490,989.74 = 597,029.96 : x - Step 2: Convert to fraction form
1,080,431.48/1,490,989.74 = 597,029.96/x - Step 3: Cross multiply
1,080,431.48x = 1,490,989.74 × 597,029.96 - Step 4: Simplify right side
1,080,431.48x = 890,165,544,832.61 - Step 5: Solve for x
x = 890,165,544,832.61/1,080,431.48 - Step 6: Final answer
x = 823,898.19
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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.