Finding the Fourth Proportional to 1,053,918.19, 1,580,921.03 and 305,964.19
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Solution
The fourth proportional to 1,053,918.19, 1,580,921.03 and 305,964.19 is: 458,958.98
Step by Step Solution
- Step 1: Write the proportion equation
1,053,918.19 : 1,580,921.03 = 305,964.19 : x - Step 2: Convert to fraction form
1,053,918.19/1,580,921.03 = 305,964.19/x - Step 3: Cross multiply
1,053,918.19x = 1,580,921.03 × 305,964.19 - Step 4: Simplify right side
1,053,918.19x = 483,705,222,397.92 - Step 5: Solve for x
x = 483,705,222,397.92/1,053,918.19 - Step 6: Final answer
x = 458,958.98
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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.