Finding the Fourth Proportional to 1,409,126.50, 1,944,537.84 and 764,522.02
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Solution
The fourth proportional to 1,409,126.50, 1,944,537.84 and 764,522.02 is: 1,055,009.61
Step by Step Solution
- Step 1: Write the proportion equation
1,409,126.50 : 1,944,537.84 = 764,522.02 : x - Step 2: Convert to fraction form
1,409,126.50/1,944,537.84 = 764,522.02/x - Step 3: Cross multiply
1,409,126.50x = 1,944,537.84 × 764,522.02 - Step 4: Simplify right side
1,409,126.50x = 1,486,641,997,403.24 - Step 5: Solve for x
x = 1,486,641,997,403.24/1,409,126.50 - Step 6: Final answer
x = 1,055,009.61
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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.