Finding the Fourth Proportional to 1,259,697.60, 1,889,661.60 and 511,588.80
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Solution
The fourth proportional to 1,259,697.60, 1,889,661.60 and 511,588.80 is: 767,429.99
Step by Step Solution
- Step 1: Write the proportion equation
1,259,697.60 : 1,889,661.60 = 511,588.80 : x - Step 2: Convert to fraction form
1,259,697.60/1,889,661.60 = 511,588.80/x - Step 3: Cross multiply
1,259,697.60x = 1,889,661.60 × 511,588.80 - Step 4: Simplify right side
1,259,697.60x = 966,729,710,350.08 - Step 5: Solve for x
x = 966,729,710,350.08/1,259,697.60 - Step 6: Final answer
x = 767,429.99
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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.