Finding the Fourth Proportional to 1,012,142.66, 1,518,463.06 and 713,207.09
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Solution
The fourth proportional to 1,012,142.66, 1,518,463.06 and 713,207.09 is: 1,069,986.15
Step by Step Solution
- Step 1: Write the proportion equation
1,012,142.66 : 1,518,463.06 = 713,207.09 : x - Step 2: Convert to fraction form
1,012,142.66/1,518,463.06 = 713,207.09/x - Step 3: Cross multiply
1,012,142.66x = 1,518,463.06 × 713,207.09 - Step 4: Simplify right side
1,012,142.66x = 1,082,978,622,308.24 - Step 5: Solve for x
x = 1,082,978,622,308.24/1,012,142.66 - Step 6: Final answer
x = 1,069,986.15
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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.