Finding the Fourth Proportional to 1,038,375.68, 1,554,939.11 and 828,423.68
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Solution
The fourth proportional to 1,038,375.68, 1,554,939.11 and 828,423.68 is: 1,240,541.74
Step by Step Solution
- Step 1: Write the proportion equation
1,038,375.68 : 1,554,939.11 = 828,423.68 : x - Step 2: Convert to fraction form
1,038,375.68/1,554,939.11 = 828,423.68/x - Step 3: Cross multiply
1,038,375.68x = 1,554,939.11 × 828,423.68 - Step 4: Simplify right side
1,038,375.68x = 1,288,148,367,765.31 - Step 5: Solve for x
x = 1,288,148,367,765.31/1,038,375.68 - Step 6: Final answer
x = 1,240,541.74
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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.