Finding the Fourth Proportional to 1,386,263.34, 2,074,663.80 and 1,161,877.14
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Solution
The fourth proportional to 1,386,263.34, 2,074,663.80 and 1,161,877.14 is: 1,738,850.31
Step by Step Solution
- Step 1: Write the proportion equation
1,386,263.34 : 2,074,663.80 = 1,161,877.14 : x - Step 2: Convert to fraction form
1,386,263.34/2,074,663.80 = 1,161,877.14/x - Step 3: Cross multiply
1,386,263.34x = 2,074,663.80 × 1,161,877.14 - Step 4: Simplify right side
1,386,263.34x = 2,410,504,442,405.53 - Step 5: Solve for x
x = 2,410,504,442,405.53/1,386,263.34 - Step 6: Final answer
x = 1,738,850.31
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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.