Finding the Fourth Proportional to 1,472,689.43, 2,032,323.53 and 828,103.99
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Solution
The fourth proportional to 1,472,689.43, 2,032,323.53 and 828,103.99 is: 1,142,790.31
Step by Step Solution
- Step 1: Write the proportion equation
1,472,689.43 : 2,032,323.53 = 828,103.99 : x - Step 2: Convert to fraction form
1,472,689.43/2,032,323.53 = 828,103.99/x - Step 3: Cross multiply
1,472,689.43x = 2,032,323.53 × 828,103.99 - Step 4: Simplify right side
1,472,689.43x = 1,682,975,214,942.56 - Step 5: Solve for x
x = 1,682,975,214,942.56/1,472,689.43 - Step 6: Final answer
x = 1,142,790.31
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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.