Finding the Fourth Proportional to 1,117,135.91, 1,674,391.67 and 516,829.02
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Solution
The fourth proportional to 1,117,135.91, 1,674,391.67 and 516,829.02 is: 774,636.45
Step by Step Solution
- Step 1: Write the proportion equation
1,117,135.91 : 1,674,391.67 = 516,829.02 : x - Step 2: Convert to fraction form
1,117,135.91/1,674,391.67 = 516,829.02/x - Step 3: Cross multiply
1,117,135.91x = 1,674,391.67 × 516,829.02 - Step 4: Simplify right side
1,117,135.91x = 865,374,198,977.26 - Step 5: Solve for x
x = 865,374,198,977.26/1,117,135.91 - Step 6: Final answer
x = 774,636.45
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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.