Finding the Fourth Proportional to 1,119,518.36, 1,543,714.44 and 756,311.58
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Solution
The fourth proportional to 1,119,518.36, 1,543,714.44 and 756,311.58 is: 1,042,885.18
Step by Step Solution
- Step 1: Write the proportion equation
1,119,518.36 : 1,543,714.44 = 756,311.58 : x - Step 2: Convert to fraction form
1,119,518.36/1,543,714.44 = 756,311.58/x - Step 3: Cross multiply
1,119,518.36x = 1,543,714.44 × 756,311.58 - Step 4: Simplify right side
1,119,518.36x = 1,167,529,104,349.05 - Step 5: Solve for x
x = 1,167,529,104,349.05/1,119,518.36 - Step 6: Final answer
x = 1,042,885.18
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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.