Finding the Fourth Proportional to 1,210,864.64, 1,669,247.76 and 847,161.68
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Solution
The fourth proportional to 1,210,864.64, 1,669,247.76 and 847,161.68 is: 1,167,861.95
Step by Step Solution
- Step 1: Write the proportion equation
1,210,864.64 : 1,669,247.76 = 847,161.68 : x - Step 2: Convert to fraction form
1,210,864.64/1,669,247.76 = 847,161.68/x - Step 3: Cross multiply
1,210,864.64x = 1,669,247.76 × 847,161.68 - Step 4: Simplify right side
1,210,864.64x = 1,414,122,736,697.84 - Step 5: Solve for x
x = 1,414,122,736,697.84/1,210,864.64 - Step 6: Final answer
x = 1,167,861.95
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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.