Finding the Fourth Proportional to 1,340,269.08, 1,849,585.62 and 728,421.84
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Solution
The fourth proportional to 1,340,269.08, 1,849,585.62 and 728,421.84 is: 1,005,229.91
Step by Step Solution
- Step 1: Write the proportion equation
1,340,269.08 : 1,849,585.62 = 728,421.84 : x - Step 2: Convert to fraction form
1,340,269.08/1,849,585.62 = 728,421.84/x - Step 3: Cross multiply
1,340,269.08x = 1,849,585.62 × 728,421.84 - Step 4: Simplify right side
1,340,269.08x = 1,347,278,560,557.94 - Step 5: Solve for x
x = 1,347,278,560,557.94/1,340,269.08 - Step 6: Final answer
x = 1,005,229.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.