Finding the Fourth Proportional to 1,154,597.18, 1,731,730.67 and 396,424.42
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Solution
The fourth proportional to 1,154,597.18, 1,731,730.67 and 396,424.42 is: 594,579.94
Step by Step Solution
- Step 1: Write the proportion equation
1,154,597.18 : 1,731,730.67 = 396,424.42 : x - Step 2: Convert to fraction form
1,154,597.18/1,731,730.67 = 396,424.42/x - Step 3: Cross multiply
1,154,597.18x = 1,731,730.67 × 396,424.42 - Step 4: Simplify right side
1,154,597.18x = 686,500,326,450.96 - Step 5: Solve for x
x = 686,500,326,450.96/1,154,597.18 - Step 6: Final answer
x = 594,579.94
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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.