Finding the Fourth Proportional to 1,458,415.92, 2,187,842.64 and 511,619.84
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Solution
The fourth proportional to 1,458,415.92, 2,187,842.64 and 511,619.84 is: 767,506.50
Step by Step Solution
- Step 1: Write the proportion equation
1,458,415.92 : 2,187,842.64 = 511,619.84 : x - Step 2: Convert to fraction form
1,458,415.92/2,187,842.64 = 511,619.84/x - Step 3: Cross multiply
1,458,415.92x = 2,187,842.64 × 511,619.84 - Step 4: Simplify right side
1,458,415.92x = 1,119,343,701,421.98 - Step 5: Solve for x
x = 1,119,343,701,421.98/1,458,415.92 - Step 6: Final answer
x = 767,506.50
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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.