Finding the Fourth Proportional to 1,319,700.44, 1,821,224.99 and 746,728.31
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Solution
The fourth proportional to 1,319,700.44, 1,821,224.99 and 746,728.31 is: 1,030,506.79
Step by Step Solution
- Step 1: Write the proportion equation
1,319,700.44 : 1,821,224.99 = 746,728.31 : x - Step 2: Convert to fraction form
1,319,700.44/1,821,224.99 = 746,728.31/x - Step 3: Cross multiply
1,319,700.44x = 1,821,224.99 × 746,728.31 - Step 4: Simplify right side
1,319,700.44x = 1,359,960,265,332.35 - Step 5: Solve for x
x = 1,359,960,265,332.35/1,319,700.44 - Step 6: Final answer
x = 1,030,506.79
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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.