Finding the Fourth Proportional to 1,075,508.62, 1,613,251.98 and 276,787.06
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Solution
The fourth proportional to 1,075,508.62, 1,613,251.98 and 276,787.06 is: 415,177.77
Step by Step Solution
- Step 1: Write the proportion equation
1,075,508.62 : 1,613,251.98 = 276,787.06 : x - Step 2: Convert to fraction form
1,075,508.62/1,613,251.98 = 276,787.06/x - Step 3: Cross multiply
1,075,508.62x = 1,613,251.98 × 276,787.06 - Step 4: Simplify right side
1,075,508.62x = 446,527,272,583.38 - Step 5: Solve for x
x = 446,527,272,583.38/1,075,508.62 - Step 6: Final answer
x = 415,177.77
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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.