Finding the Fourth Proportional to 1,163,662.18, 1,605,821.28 and 705,048.28
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Solution
The fourth proportional to 1,163,662.18, 1,605,821.28 and 705,048.28 is: 972,946.92
Step by Step Solution
- Step 1: Write the proportion equation
1,163,662.18 : 1,605,821.28 = 705,048.28 : x - Step 2: Convert to fraction form
1,163,662.18/1,605,821.28 = 705,048.28/x - Step 3: Cross multiply
1,163,662.18x = 1,605,821.28 × 705,048.28 - Step 4: Simplify right side
1,163,662.18x = 1,132,181,531,451.40 - Step 5: Solve for x
x = 1,132,181,531,451.40/1,163,662.18 - Step 6: Final answer
x = 972,946.92
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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.