Finding the Fourth Proportional to 1,058,148.21, 1,587,035.39 and 418,239.23
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Solution
The fourth proportional to 1,058,148.21, 1,587,035.39 and 418,239.23 is: 627,284.95
Step by Step Solution
- Step 1: Write the proportion equation
1,058,148.21 : 1,587,035.39 = 418,239.23 : x - Step 2: Convert to fraction form
1,058,148.21/1,587,035.39 = 418,239.23/x - Step 3: Cross multiply
1,058,148.21x = 1,587,035.39 × 418,239.23 - Step 4: Simplify right side
1,058,148.21x = 663,760,449,469.98 - Step 5: Solve for x
x = 663,760,449,469.98/1,058,148.21 - Step 6: Final answer
x = 627,284.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.