Finding the Fourth Proportional to 1,176,094.08, 1,623,006.72 and 639,550.08
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Solution
The fourth proportional to 1,176,094.08, 1,623,006.72 and 639,550.08 is: 882,577.42
Step by Step Solution
- Step 1: Write the proportion equation
1,176,094.08 : 1,623,006.72 = 639,550.08 : x - Step 2: Convert to fraction form
1,176,094.08/1,623,006.72 = 639,550.08/x - Step 3: Cross multiply
1,176,094.08x = 1,623,006.72 × 639,550.08 - Step 4: Simplify right side
1,176,094.08x = 1,037,994,077,616.54 - Step 5: Solve for x
x = 1,037,994,077,616.54/1,176,094.08 - Step 6: Final answer
x = 882,577.42
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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.