Finding the Fourth Proportional to 1,052,394.18, 1,578,328.56 and 412,827.90
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Solution
The fourth proportional to 1,052,394.18, 1,578,328.56 and 412,827.90 is: 619,138.80
Step by Step Solution
- Step 1: Write the proportion equation
1,052,394.18 : 1,578,328.56 = 412,827.90 : x - Step 2: Convert to fraction form
1,052,394.18/1,578,328.56 = 412,827.90/x - Step 3: Cross multiply
1,052,394.18x = 1,578,328.56 × 412,827.90 - Step 4: Simplify right side
1,052,394.18x = 651,578,064,934.82 - Step 5: Solve for x
x = 651,578,064,934.82/1,052,394.18 - Step 6: Final answer
x = 619,138.80
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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.