Finding the Fourth Proportional to 1,251,151.44, 1,727,582.76 and 1,155,623.28
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Solution
The fourth proportional to 1,251,151.44, 1,727,582.76 and 1,155,623.28 is: 1,595,678.02
Step by Step Solution
- Step 1: Write the proportion equation
1,251,151.44 : 1,727,582.76 = 1,155,623.28 : x - Step 2: Convert to fraction form
1,251,151.44/1,727,582.76 = 1,155,623.28/x - Step 3: Cross multiply
1,251,151.44x = 1,727,582.76 × 1,155,623.28 - Step 4: Simplify right side
1,251,151.44x = 1,996,434,855,582.65 - Step 5: Solve for x
x = 1,996,434,855,582.65/1,251,151.44 - Step 6: Final answer
x = 1,595,678.02
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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.