Finding the Fourth Proportional to 1,252,311.98, 1,728,193.86 and 679,352.18
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Solution
The fourth proportional to 1,252,311.98, 1,728,193.86 and 679,352.18 is: 937,507.81
Step by Step Solution
- Step 1: Write the proportion equation
1,252,311.98 : 1,728,193.86 = 679,352.18 : x - Step 2: Convert to fraction form
1,252,311.98/1,728,193.86 = 679,352.18/x - Step 3: Cross multiply
1,252,311.98x = 1,728,193.86 × 679,352.18 - Step 4: Simplify right side
1,252,311.98x = 1,174,052,257,612.65 - Step 5: Solve for x
x = 1,174,052,257,612.65/1,252,311.98 - Step 6: Final answer
x = 937,507.81
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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.