Finding the Fourth Proportional to 1,045,648.14, 1,442,990.34 and 586,761.63
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Solution
The fourth proportional to 1,045,648.14, 1,442,990.34 and 586,761.63 is: 809,728.75
Step by Step Solution
- Step 1: Write the proportion equation
1,045,648.14 : 1,442,990.34 = 586,761.63 : x - Step 2: Convert to fraction form
1,045,648.14/1,442,990.34 = 586,761.63/x - Step 3: Cross multiply
1,045,648.14x = 1,442,990.34 × 586,761.63 - Step 4: Simplify right side
1,045,648.14x = 846,691,363,972.65 - Step 5: Solve for x
x = 846,691,363,972.65/1,045,648.14 - Step 6: Final answer
x = 809,728.75
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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.