Finding the Fourth Proportional to 1,142,814.87, 1,577,245.28 and 707,371.98
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Solution
The fourth proportional to 1,142,814.87, 1,577,245.28 and 707,371.98 is: 976,272.84
Step by Step Solution
- Step 1: Write the proportion equation
1,142,814.87 : 1,577,245.28 = 707,371.98 : x - Step 2: Convert to fraction form
1,142,814.87/1,577,245.28 = 707,371.98/x - Step 3: Cross multiply
1,142,814.87x = 1,577,245.28 × 707,371.98 - Step 4: Simplify right side
1,142,814.87x = 1,115,699,116,659.25 - Step 5: Solve for x
x = 1,115,699,116,659.25/1,142,814.87 - Step 6: Final answer
x = 976,272.84
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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.