Finding the Fourth Proportional to 1,201,832.06, 1,658,528.73 and 658,003.05
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Solution
The fourth proportional to 1,201,832.06, 1,658,528.73 and 658,003.05 is: 908,044.48
Step by Step Solution
- Step 1: Write the proportion equation
1,201,832.06 : 1,658,528.73 = 658,003.05 : x - Step 2: Convert to fraction form
1,201,832.06/1,658,528.73 = 658,003.05/x - Step 3: Cross multiply
1,201,832.06x = 1,658,528.73 × 658,003.05 - Step 4: Simplify right side
1,201,832.06x = 1,091,316,962,852.63 - Step 5: Solve for x
x = 1,091,316,962,852.63/1,201,832.06 - Step 6: Final answer
x = 908,044.48
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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.