Finding the Fourth Proportional to 1,172,319.36, 1,617,908.16 and 736,807.44
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Solution
The fourth proportional to 1,172,319.36, 1,617,908.16 and 736,807.44 is: 1,016,861.80
Step by Step Solution
- Step 1: Write the proportion equation
1,172,319.36 : 1,617,908.16 = 736,807.44 : x - Step 2: Convert to fraction form
1,172,319.36/1,617,908.16 = 736,807.44/x - Step 3: Cross multiply
1,172,319.36x = 1,617,908.16 × 736,807.44 - Step 4: Simplify right side
1,172,319.36x = 1,192,086,769,524.71 - Step 5: Solve for x
x = 1,192,086,769,524.71/1,172,319.36 - Step 6: Final answer
x = 1,016,861.80
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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.