Finding the Fourth Proportional to 1,015,361.12, 1,401,206.64 and 562,659.68
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Solution
The fourth proportional to 1,015,361.12, 1,401,206.64 and 562,659.68 is: 776,474.95
Step by Step Solution
- Step 1: Write the proportion equation
1,015,361.12 : 1,401,206.64 = 562,659.68 : x - Step 2: Convert to fraction form
1,015,361.12/1,401,206.64 = 562,659.68/x - Step 3: Cross multiply
1,015,361.12x = 1,401,206.64 × 562,659.68 - Step 4: Simplify right side
1,015,361.12x = 788,402,479,676.28 - Step 5: Solve for x
x = 788,402,479,676.28/1,015,361.12 - Step 6: Final answer
x = 776,474.95
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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.