Finding the Fourth Proportional to 1,317,311.04, 1,817,842.68 and 744,338.91
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Solution
The fourth proportional to 1,317,311.04, 1,817,842.68 and 744,338.91 is: 1,027,161.39
Step by Step Solution
- Step 1: Write the proportion equation
1,317,311.04 : 1,817,842.68 = 744,338.91 : x - Step 2: Convert to fraction form
1,317,311.04/1,817,842.68 = 744,338.91/x - Step 3: Cross multiply
1,317,311.04x = 1,817,842.68 × 744,338.91 - Step 4: Simplify right side
1,317,311.04x = 1,353,091,038,982.68 - Step 5: Solve for x
x = 1,353,091,038,982.68/1,317,311.04 - Step 6: Final answer
x = 1,027,161.39
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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.