Finding the Fourth Proportional to 1,147,923.09, 1,586,318.65 and 860,944.95
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Solution
The fourth proportional to 1,147,923.09, 1,586,318.65 and 860,944.95 is: 1,189,742.62
Step by Step Solution
- Step 1: Write the proportion equation
1,147,923.09 : 1,586,318.65 = 860,944.95 : x - Step 2: Convert to fraction form
1,147,923.09/1,586,318.65 = 860,944.95/x - Step 3: Cross multiply
1,147,923.09x = 1,586,318.65 × 860,944.95 - Step 4: Simplify right side
1,147,923.09x = 1,365,733,028,655.96 - Step 5: Solve for x
x = 1,365,733,028,655.96/1,147,923.09 - Step 6: Final answer
x = 1,189,742.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.