Finding the Fourth Proportional to 1,330,395.36, 1,995,790.56 and 488,881.44
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Solution
The fourth proportional to 1,330,395.36, 1,995,790.56 and 488,881.44 is: 733,394.74
Step by Step Solution
- Step 1: Write the proportion equation
1,330,395.36 : 1,995,790.56 = 488,881.44 : x - Step 2: Convert to fraction form
1,330,395.36/1,995,790.56 = 488,881.44/x - Step 3: Cross multiply
1,330,395.36x = 1,995,790.56 × 488,881.44 - Step 4: Simplify right side
1,330,395.36x = 975,704,962,911.21 - Step 5: Solve for x
x = 975,704,962,911.21/1,330,395.36 - Step 6: Final answer
x = 733,394.74
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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.