Finding the Fourth Proportional to 1,292,581.99, 1,783,301.43 and 748,420.75
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Solution
The fourth proportional to 1,292,581.99, 1,783,301.43 and 748,420.75 is: 1,032,553.30
Step by Step Solution
- Step 1: Write the proportion equation
1,292,581.99 : 1,783,301.43 = 748,420.75 : x - Step 2: Convert to fraction form
1,292,581.99/1,783,301.43 = 748,420.75/x - Step 3: Cross multiply
1,292,581.99x = 1,783,301.43 × 748,420.75 - Step 4: Simplify right side
1,292,581.99x = 1,334,659,793,716.67 - Step 5: Solve for x
x = 1,334,659,793,716.67/1,292,581.99 - Step 6: Final answer
x = 1,032,553.30
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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.