Finding the Fourth Proportional to 1,162,155.14, 1,742,234.33 and 403,898.09
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Solution
The fourth proportional to 1,162,155.14, 1,742,234.33 and 403,898.09 is: 605,500.15
Step by Step Solution
- Step 1: Write the proportion equation
1,162,155.14 : 1,742,234.33 = 403,898.09 : x - Step 2: Convert to fraction form
1,162,155.14/1,742,234.33 = 403,898.09/x - Step 3: Cross multiply
1,162,155.14x = 1,742,234.33 × 403,898.09 - Step 4: Simplify right side
1,162,155.14x = 703,685,116,199.94 - Step 5: Solve for x
x = 703,685,116,199.94/1,162,155.14 - Step 6: Final answer
x = 605,500.15
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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.