Finding the Fourth Proportional to 1,145,474.55, 1,580,662.38 and 662,070.99
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Solution
The fourth proportional to 1,145,474.55, 1,580,662.38 and 662,070.99 is: 913,604.50
Step by Step Solution
- Step 1: Write the proportion equation
1,145,474.55 : 1,580,662.38 = 662,070.99 : x - Step 2: Convert to fraction form
1,145,474.55/1,580,662.38 = 662,070.99/x - Step 3: Cross multiply
1,145,474.55x = 1,580,662.38 × 662,070.99 - Step 4: Simplify right side
1,145,474.55x = 1,046,510,706,782.36 - Step 5: Solve for x
x = 1,046,510,706,782.36/1,145,474.55 - Step 6: Final answer
x = 913,604.50
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1.5x scale
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.