Finding the Fourth Proportional to 1,015,337.70, 1,401,163.11 and 562,628.70
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Solution
The fourth proportional to 1,015,337.70, 1,401,163.11 and 562,628.70 is: 776,425.99
Step by Step Solution
- Step 1: Write the proportion equation
1,015,337.70 : 1,401,163.11 = 562,628.70 : x - Step 2: Convert to fraction form
1,015,337.70/1,401,163.11 = 562,628.70/x - Step 3: Cross multiply
1,015,337.70x = 1,401,163.11 × 562,628.70 - Step 4: Simplify right side
1,015,337.70x = 788,334,579,067.26 - Step 5: Solve for x
x = 788,334,579,067.26/1,015,337.70 - Step 6: Final answer
x = 776,425.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.