Finding the Fourth Proportional to 1,064,238.12, 1,596,619.62 and 316,284.12
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Solution
The fourth proportional to 1,064,238.12, 1,596,619.62 and 316,284.12 is: 474,504.18
Step by Step Solution
- Step 1: Write the proportion equation
1,064,238.12 : 1,596,619.62 = 316,284.12 : x - Step 2: Convert to fraction form
1,064,238.12/1,596,619.62 = 316,284.12/x - Step 3: Cross multiply
1,064,238.12x = 1,596,619.62 × 316,284.12 - Step 4: Simplify right side
1,064,238.12x = 504,985,431,486.43 - Step 5: Solve for x
x = 504,985,431,486.43/1,064,238.12 - Step 6: Final answer
x = 474,504.18
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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.