Finding the Fourth Proportional to 1,331,454.12, 1,837,404.18 and 727,842.12
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Solution
The fourth proportional to 1,331,454.12, 1,837,404.18 and 727,842.12 is: 1,004,420.76
Step by Step Solution
- Step 1: Write the proportion equation
1,331,454.12 : 1,837,404.18 = 727,842.12 : x - Step 2: Convert to fraction form
1,331,454.12/1,837,404.18 = 727,842.12/x - Step 3: Cross multiply
1,331,454.12x = 1,837,404.18 × 727,842.12 - Step 4: Simplify right side
1,331,454.12x = 1,337,340,153,668.06 - Step 5: Solve for x
x = 1,337,340,153,668.06/1,331,454.12 - Step 6: Final answer
x = 1,004,420.76
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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.