Finding the Fourth Proportional to 1,403,674.26, 2,106,445.68 and 764,139.30
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Solution
The fourth proportional to 1,403,674.26, 2,106,445.68 and 764,139.30 is: 1,146,717.56
Step by Step Solution
- Step 1: Write the proportion equation
1,403,674.26 : 2,106,445.68 = 764,139.30 : x - Step 2: Convert to fraction form
1,403,674.26/2,106,445.68 = 764,139.30/x - Step 3: Cross multiply
1,403,674.26x = 2,106,445.68 × 764,139.30 - Step 4: Simplify right side
1,403,674.26x = 1,609,617,927,403.22 - Step 5: Solve for x
x = 1,609,617,927,403.22/1,403,674.26 - Step 6: Final answer
x = 1,146,717.56
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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.