Finding the Fourth Proportional to 1,206,312.08, 1,809,818.34 and 486,282.18
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Solution
The fourth proportional to 1,206,312.08, 1,809,818.34 and 486,282.18 is: 729,564.46
Step by Step Solution
- Step 1: Write the proportion equation
1,206,312.08 : 1,809,818.34 = 486,282.18 : x - Step 2: Convert to fraction form
1,206,312.08/1,809,818.34 = 486,282.18/x - Step 3: Cross multiply
1,206,312.08x = 1,809,818.34 × 486,282.18 - Step 4: Simplify right side
1,206,312.08x = 880,082,412,742.44 - Step 5: Solve for x
x = 880,082,412,742.44/1,206,312.08 - Step 6: Final answer
x = 729,564.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.