Finding the Fourth Proportional to 1,257,097.61, 1,734,761.45 and 684,125.48
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Solution
The fourth proportional to 1,257,097.61, 1,734,761.45 and 684,125.48 is: 944,075.06
Step by Step Solution
- Step 1: Write the proportion equation
1,257,097.61 : 1,734,761.45 = 684,125.48 : x - Step 2: Convert to fraction form
1,257,097.61/1,734,761.45 = 684,125.48/x - Step 3: Cross multiply
1,257,097.61x = 1,734,761.45 × 684,125.48 - Step 4: Simplify right side
1,257,097.61x = 1,186,794,497,572.31 - Step 5: Solve for x
x = 1,186,794,497,572.31/1,257,097.61 - Step 6: Final answer
x = 944,075.06
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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.