Finding the Fourth Proportional to 1,435,798.28, 1,981,375.95 and 782,429.99
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Solution
The fourth proportional to 1,435,798.28, 1,981,375.95 and 782,429.99 is: 1,079,739.39
Step by Step Solution
- Step 1: Write the proportion equation
1,435,798.28 : 1,981,375.95 = 782,429.99 : x - Step 2: Convert to fraction form
1,435,798.28/1,981,375.95 = 782,429.99/x - Step 3: Cross multiply
1,435,798.28x = 1,981,375.95 × 782,429.99 - Step 4: Simplify right side
1,435,798.28x = 1,550,287,954,837.86 - Step 5: Solve for x
x = 1,550,287,954,837.86/1,435,798.28 - Step 6: Final answer
x = 1,079,739.39
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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.