Finding the Fourth Proportional to 1,289,346.66, 1,933,562.34 and 378,274.86
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Solution
The fourth proportional to 1,289,346.66, 1,933,562.34 and 378,274.86 is: 567,278.02
Step by Step Solution
- Step 1: Write the proportion equation
1,289,346.66 : 1,933,562.34 = 378,274.86 : x - Step 2: Convert to fraction form
1,289,346.66/1,933,562.34 = 378,274.86/x - Step 3: Cross multiply
1,289,346.66x = 1,933,562.34 × 378,274.86 - Step 4: Simplify right side
1,289,346.66x = 731,418,023,464.77 - Step 5: Solve for x
x = 731,418,023,464.77/1,289,346.66 - Step 6: Final answer
x = 567,278.02
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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.