Finding the Fourth Proportional to 1,021,710.43, 1,409,854.32 and 629,180.99
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Solution
The fourth proportional to 1,021,710.43, 1,409,854.32 and 629,180.99 is: 868,204.44
Step by Step Solution
- Step 1: Write the proportion equation
1,021,710.43 : 1,409,854.32 = 629,180.99 : x - Step 2: Convert to fraction form
1,021,710.43/1,409,854.32 = 629,180.99/x - Step 3: Cross multiply
1,021,710.43x = 1,409,854.32 × 629,180.99 - Step 4: Simplify right side
1,021,710.43x = 887,053,536,813.38 - Step 5: Solve for x
x = 887,053,536,813.38/1,021,710.43 - Step 6: Final answer
x = 868,204.44
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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.