Finding the Fourth Proportional to 1,119,814.97, 1,679,228.35 and 320,915.21
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Solution
The fourth proportional to 1,119,814.97, 1,679,228.35 and 320,915.21 is: 481,231.21
Step by Step Solution
- Step 1: Write the proportion equation
1,119,814.97 : 1,679,228.35 = 320,915.21 : x - Step 2: Convert to fraction form
1,119,814.97/1,679,228.35 = 320,915.21/x - Step 3: Cross multiply
1,119,814.97x = 1,679,228.35 × 320,915.21 - Step 4: Simplify right side
1,119,814.97x = 538,889,909,379.77 - Step 5: Solve for x
x = 538,889,909,379.77/1,119,814.97 - Step 6: Final answer
x = 481,231.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.