Finding the Fourth Proportional to 1,192,529.36, 1,788,794.04 and 817,415.12
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Solution
The fourth proportional to 1,192,529.36, 1,788,794.04 and 817,415.12 is: 1,226,122.68
Step by Step Solution
- Step 1: Write the proportion equation
1,192,529.36 : 1,788,794.04 = 817,415.12 : x - Step 2: Convert to fraction form
1,192,529.36/1,788,794.04 = 817,415.12/x - Step 3: Cross multiply
1,192,529.36x = 1,788,794.04 × 817,415.12 - Step 4: Simplify right side
1,192,529.36x = 1,462,187,294,861.88 - Step 5: Solve for x
x = 1,462,187,294,861.88/1,192,529.36 - Step 6: Final answer
x = 1,226,122.68
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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.