Finding the Fourth Proportional to 1,114,568.68, 1,538,575.66 and 752,483.02
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Solution
The fourth proportional to 1,114,568.68, 1,538,575.66 and 752,483.02 is: 1,038,744.48
Step by Step Solution
- Step 1: Write the proportion equation
1,114,568.68 : 1,538,575.66 = 752,483.02 : x - Step 2: Convert to fraction form
1,114,568.68/1,538,575.66 = 752,483.02/x - Step 3: Cross multiply
1,114,568.68x = 1,538,575.66 × 752,483.02 - Step 4: Simplify right side
1,114,568.68x = 1,157,752,059,135.29 - Step 5: Solve for x
x = 1,157,752,059,135.29/1,114,568.68 - Step 6: Final answer
x = 1,038,744.48
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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.