Finding the Fourth Proportional to 1,053,075.91, 1,579,312.54 and 343,165.99
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Solution
The fourth proportional to 1,053,075.91, 1,579,312.54 and 343,165.99 is: 514,650.79
Step by Step Solution
- Step 1: Write the proportion equation
1,053,075.91 : 1,579,312.54 = 343,165.99 : x - Step 2: Convert to fraction form
1,053,075.91/1,579,312.54 = 343,165.99/x - Step 3: Cross multiply
1,053,075.91x = 1,579,312.54 × 343,165.99 - Step 4: Simplify right side
1,053,075.91x = 541,966,351,308.52 - Step 5: Solve for x
x = 541,966,351,308.52/1,053,075.91 - Step 6: Final answer
x = 514,650.79
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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.