Finding the Fourth Proportional to 1,146,866.74, 1,720,486.18 and 378,134.86
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Solution
The fourth proportional to 1,146,866.74, 1,720,486.18 and 378,134.86 is: 567,263.64
Step by Step Solution
- Step 1: Write the proportion equation
1,146,866.74 : 1,720,486.18 = 378,134.86 : x - Step 2: Convert to fraction form
1,146,866.74/1,720,486.18 = 378,134.86/x - Step 3: Cross multiply
1,146,866.74x = 1,720,486.18 × 378,134.86 - Step 4: Simplify right side
1,146,866.74x = 650,575,800,806.24 - Step 5: Solve for x
x = 650,575,800,806.24/1,146,866.74 - Step 6: Final answer
x = 567,263.64
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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.