Finding the Fourth Proportional to 1,050,263.35, 1,446,313.49 and 912,379.21
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Solution
The fourth proportional to 1,050,263.35, 1,446,313.49 and 912,379.21 is: 1,256,433.79
Step by Step Solution
- Step 1: Write the proportion equation
1,050,263.35 : 1,446,313.49 = 912,379.21 : x - Step 2: Convert to fraction form
1,050,263.35/1,446,313.49 = 912,379.21/x - Step 3: Cross multiply
1,050,263.35x = 1,446,313.49 × 912,379.21 - Step 4: Simplify right side
1,050,263.35x = 1,319,586,354,662.29 - Step 5: Solve for x
x = 1,319,586,354,662.29/1,050,263.35 - Step 6: Final answer
x = 1,256,433.79
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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.