Finding the Fourth Proportional to 1,342,539.12, 2,013,329.16 and 443,814.96
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Solution
The fourth proportional to 1,342,539.12, 2,013,329.16 and 443,814.96 is: 665,563.92
Step by Step Solution
- Step 1: Write the proportion equation
1,342,539.12 : 2,013,329.16 = 443,814.96 : x - Step 2: Convert to fraction form
1,342,539.12/2,013,329.16 = 443,814.96/x - Step 3: Cross multiply
1,342,539.12x = 2,013,329.16 × 443,814.96 - Step 4: Simplify right side
1,342,539.12x = 893,545,600,612.23 - Step 5: Solve for x
x = 893,545,600,612.23/1,342,539.12 - Step 6: Final answer
x = 665,563.92
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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.