Finding the Fourth Proportional to 1,319,939.28, 1,821,543.48 and 746,979.36
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Solution
The fourth proportional to 1,319,939.28, 1,821,543.48 and 746,979.36 is: 1,030,846.95
Step by Step Solution
- Step 1: Write the proportion equation
1,319,939.28 : 1,821,543.48 = 746,979.36 : x - Step 2: Convert to fraction form
1,319,939.28/1,821,543.48 = 746,979.36/x - Step 3: Cross multiply
1,319,939.28x = 1,821,543.48 × 746,979.36 - Step 4: Simplify right side
1,319,939.28x = 1,360,655,382,902.57 - Step 5: Solve for x
x = 1,360,655,382,902.57/1,319,939.28 - Step 6: Final answer
x = 1,030,846.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.