Finding the Fourth Proportional to 1,292,757.30, 1,940,021.67 and 451,309.02
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Solution
The fourth proportional to 1,292,757.30, 1,940,021.67 and 451,309.02 is: 677,272.74
Step by Step Solution
- Step 1: Write the proportion equation
1,292,757.30 : 1,940,021.67 = 451,309.02 : x - Step 2: Convert to fraction form
1,292,757.30/1,940,021.67 = 451,309.02/x - Step 3: Cross multiply
1,292,757.30x = 1,940,021.67 × 451,309.02 - Step 4: Simplify right side
1,292,757.30x = 875,549,278,666.46 - Step 5: Solve for x
x = 875,549,278,666.46/1,292,757.30 - Step 6: Final answer
x = 677,272.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.