Finding the Fourth Proportional to 1,193,328.64, 1,789,438.01 and 434,641.94
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Solution
The fourth proportional to 1,193,328.64, 1,789,438.01 and 434,641.94 is: 651,760.78
Step by Step Solution
- Step 1: Write the proportion equation
1,193,328.64 : 1,789,438.01 = 434,641.94 : x - Step 2: Convert to fraction form
1,193,328.64/1,789,438.01 = 434,641.94/x - Step 3: Cross multiply
1,193,328.64x = 1,789,438.01 × 434,641.94 - Step 4: Simplify right side
1,193,328.64x = 777,764,803,766.13 - Step 5: Solve for x
x = 777,764,803,766.13/1,193,328.64 - Step 6: Final answer
x = 651,760.78
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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.