Finding the Fourth Proportional to 1,434,327.14, 1,979,378.67 and 822,502.96
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Solution
The fourth proportional to 1,434,327.14, 1,979,378.67 and 822,502.96 is: 1,135,058.22
Step by Step Solution
- Step 1: Write the proportion equation
1,434,327.14 : 1,979,378.67 = 822,502.96 : x - Step 2: Convert to fraction form
1,434,327.14/1,979,378.67 = 822,502.96/x - Step 3: Cross multiply
1,434,327.14x = 1,979,378.67 × 822,502.96 - Step 4: Simplify right side
1,434,327.14x = 1,628,044,813,171.80 - Step 5: Solve for x
x = 1,628,044,813,171.80/1,434,327.14 - Step 6: Final answer
x = 1,135,058.22
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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.