Finding the Fourth Proportional to 1,042,474.13, 1,438,604.57 and 589,765.13
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Solution
The fourth proportional to 1,042,474.13, 1,438,604.57 and 589,765.13 is: 813,870.38
Step by Step Solution
- Step 1: Write the proportion equation
1,042,474.13 : 1,438,604.57 = 589,765.13 : x - Step 2: Convert to fraction form
1,042,474.13/1,438,604.57 = 589,765.13/x - Step 3: Cross multiply
1,042,474.13x = 1,438,604.57 × 589,765.13 - Step 4: Simplify right side
1,042,474.13x = 848,438,811,244.64 - Step 5: Solve for x
x = 848,438,811,244.64/1,042,474.13 - Step 6: Final answer
x = 813,870.38
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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.