Finding the Fourth Proportional to 1,265,752.12, 1,898,386.26 and 379,288.12
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Solution
The fourth proportional to 1,265,752.12, 1,898,386.26 and 379,288.12 is: 568,859.69
Step by Step Solution
- Step 1: Write the proportion equation
1,265,752.12 : 1,898,386.26 = 379,288.12 : x - Step 2: Convert to fraction form
1,265,752.12/1,898,386.26 = 379,288.12/x - Step 3: Cross multiply
1,265,752.12x = 1,898,386.26 × 379,288.12 - Step 4: Simplify right side
1,265,752.12x = 720,035,355,589.23 - Step 5: Solve for x
x = 720,035,355,589.23/1,265,752.12 - Step 6: Final answer
x = 568,859.69
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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.