Finding the Fourth Proportional to 1,328,763.26, 1,993,462.34 and 430,205.96
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Solution
The fourth proportional to 1,328,763.26, 1,993,462.34 and 430,205.96 is: 645,411.71
Step by Step Solution
- Step 1: Write the proportion equation
1,328,763.26 : 1,993,462.34 = 430,205.96 : x - Step 2: Convert to fraction form
1,328,763.26/1,993,462.34 = 430,205.96/x - Step 3: Cross multiply
1,328,763.26x = 1,993,462.34 × 430,205.96 - Step 4: Simplify right side
1,328,763.26x = 857,599,367,585.21 - Step 5: Solve for x
x = 857,599,367,585.21/1,328,763.26 - Step 6: Final answer
x = 645,411.71
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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.