Finding the Fourth Proportional to 1,059,858.84, 1,590,213.08 and 385,987.08
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Solution
The fourth proportional to 1,059,858.84, 1,590,213.08 and 385,987.08 is: 579,135.33
Step by Step Solution
- Step 1: Write the proportion equation
1,059,858.84 : 1,590,213.08 = 385,987.08 : x - Step 2: Convert to fraction form
1,059,858.84/1,590,213.08 = 385,987.08/x - Step 3: Cross multiply
1,059,858.84x = 1,590,213.08 × 385,987.08 - Step 4: Simplify right side
1,059,858.84x = 613,801,703,327.01 - Step 5: Solve for x
x = 613,801,703,327.01/1,059,858.84 - Step 6: Final answer
x = 579,135.33
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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.