Finding the Fourth Proportional to 1,024,990.74, 1,537,491.58 and 672,238.58
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Solution
The fourth proportional to 1,024,990.74, 1,537,491.58 and 672,238.58 is: 1,008,361.45
Step by Step Solution
- Step 1: Write the proportion equation
1,024,990.74 : 1,537,491.58 = 672,238.58 : x - Step 2: Convert to fraction form
1,024,990.74/1,537,491.58 = 672,238.58/x - Step 3: Cross multiply
1,024,990.74x = 1,537,491.58 × 672,238.58 - Step 4: Simplify right side
1,024,990.74x = 1,033,561,147,133.10 - Step 5: Solve for x
x = 1,033,561,147,133.10/1,024,990.74 - Step 6: Final answer
x = 1,008,361.45
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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.