Finding the Fourth Proportional to 1,267,245.76, 1,748,847.36 and 723,470.08
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Solution
The fourth proportional to 1,267,245.76, 1,748,847.36 and 723,470.08 is: 998,416.23
Step by Step Solution
- Step 1: Write the proportion equation
1,267,245.76 : 1,748,847.36 = 723,470.08 : x - Step 2: Convert to fraction form
1,267,245.76/1,748,847.36 = 723,470.08/x - Step 3: Cross multiply
1,267,245.76x = 1,748,847.36 × 723,470.08 - Step 4: Simplify right side
1,267,245.76x = 1,265,238,739,446.99 - Step 5: Solve for x
x = 1,265,238,739,446.99/1,267,245.76 - Step 6: Final answer
x = 998,416.23
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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.