Finding the Fourth Proportional to 1,128,058.92, 1,555,841.52 and 698,577.48
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Solution
The fourth proportional to 1,128,058.92, 1,555,841.52 and 698,577.48 is: 963,492.09
Step by Step Solution
- Step 1: Write the proportion equation
1,128,058.92 : 1,555,841.52 = 698,577.48 : x - Step 2: Convert to fraction form
1,128,058.92/1,555,841.52 = 698,577.48/x - Step 3: Cross multiply
1,128,058.92x = 1,555,841.52 × 698,577.48 - Step 4: Simplify right side
1,128,058.92x = 1,086,875,848,320.97 - Step 5: Solve for x
x = 1,086,875,848,320.97/1,128,058.92 - Step 6: Final answer
x = 963,492.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.