Finding the Fourth Proportional to 1,117,146.88, 1,674,408.12 and 516,839.99
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Solution
The fourth proportional to 1,117,146.88, 1,674,408.12 and 516,839.99 is: 774,652.89
Step by Step Solution
- Step 1: Write the proportion equation
1,117,146.88 : 1,674,408.12 = 516,839.99 : x - Step 2: Convert to fraction form
1,117,146.88/1,674,408.12 = 516,839.99/x - Step 3: Cross multiply
1,117,146.88x = 1,674,408.12 × 516,839.99 - Step 4: Simplify right side
1,117,146.88x = 865,401,065,686.53 - Step 5: Solve for x
x = 865,401,065,686.53/1,117,146.88 - Step 6: Final answer
x = 774,652.89
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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.