Finding the Fourth Proportional to 1,081,965.44, 1,623,095.85 and 450,731.63
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Solution
The fourth proportional to 1,081,965.44, 1,623,095.85 and 450,731.63 is: 676,158.97
Step by Step Solution
- Step 1: Write the proportion equation
1,081,965.44 : 1,623,095.85 = 450,731.63 : x - Step 2: Convert to fraction form
1,081,965.44/1,623,095.85 = 450,731.63/x - Step 3: Cross multiply
1,081,965.44x = 1,623,095.85 × 450,731.63 - Step 4: Simplify right side
1,081,965.44x = 731,580,630,001.26 - Step 5: Solve for x
x = 731,580,630,001.26/1,081,965.44 - Step 6: Final answer
x = 676,158.97
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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.