Finding the Fourth Proportional to 1,307,430.96, 1,960,023.24 and 454,391.79
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Solution
The fourth proportional to 1,307,430.96, 1,960,023.24 and 454,391.79 is: 681,197.32
Step by Step Solution
- Step 1: Write the proportion equation
1,307,430.96 : 1,960,023.24 = 454,391.79 : x - Step 2: Convert to fraction form
1,307,430.96/1,960,023.24 = 454,391.79/x - Step 3: Cross multiply
1,307,430.96x = 1,960,023.24 × 454,391.79 - Step 4: Simplify right side
1,307,430.96x = 890,618,468,465.20 - Step 5: Solve for x
x = 890,618,468,465.20/1,307,430.96 - Step 6: Final answer
x = 681,197.32
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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.