Finding the Fourth Proportional to 1,126,417.92, 1,689,633.60 and 284,969.28
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Solution
The fourth proportional to 1,126,417.92, 1,689,633.60 and 284,969.28 is: 427,455.62
Step by Step Solution
- Step 1: Write the proportion equation
1,126,417.92 : 1,689,633.60 = 284,969.28 : x - Step 2: Convert to fraction form
1,126,417.92/1,689,633.60 = 284,969.28/x - Step 3: Cross multiply
1,126,417.92x = 1,689,633.60 × 284,969.28 - Step 4: Simplify right side
1,126,417.92x = 481,493,670,455.81 - Step 5: Solve for x
x = 481,493,670,455.81/1,126,417.92 - Step 6: Final answer
x = 427,455.62
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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.