Finding the Fourth Proportional to 1,058,755.44, 1,587,240.36 and 459,265.20
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Solution
The fourth proportional to 1,058,755.44, 1,587,240.36 and 459,265.20 is: 688,510.52
Step by Step Solution
- Step 1: Write the proportion equation
1,058,755.44 : 1,587,240.36 = 459,265.20 : x - Step 2: Convert to fraction form
1,058,755.44/1,587,240.36 = 459,265.20/x - Step 3: Cross multiply
1,058,755.44x = 1,587,240.36 × 459,265.20 - Step 4: Simplify right side
1,058,755.44x = 728,964,261,383.47 - Step 5: Solve for x
x = 728,964,261,383.47/1,058,755.44 - Step 6: Final answer
x = 688,510.52
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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.