Finding the Fourth Proportional to 1,224,233.43, 1,689,401.70 and 672,950.99
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Solution
The fourth proportional to 1,224,233.43, 1,689,401.70 and 672,950.99 is: 928,650.13
Step by Step Solution
- Step 1: Write the proportion equation
1,224,233.43 : 1,689,401.70 = 672,950.99 : x - Step 2: Convert to fraction form
1,224,233.43/1,689,401.70 = 672,950.99/x - Step 3: Cross multiply
1,224,233.43x = 1,689,401.70 × 672,950.99 - Step 4: Simplify right side
1,224,233.43x = 1,136,884,538,075.67 - Step 5: Solve for x
x = 1,136,884,538,075.67/1,224,233.43 - Step 6: Final answer
x = 928,650.13
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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.