Finding the Fourth Proportional to 1,028,689.02, 1,542,471.05 and 816,817.93
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Solution
The fourth proportional to 1,028,689.02, 1,542,471.05 and 816,817.93 is: 1,224,780.26
Step by Step Solution
- Step 1: Write the proportion equation
1,028,689.02 : 1,542,471.05 = 816,817.93 : x - Step 2: Convert to fraction form
1,028,689.02/1,542,471.05 = 816,817.93/x - Step 3: Cross multiply
1,028,689.02x = 1,542,471.05 × 816,817.93 - Step 4: Simplify right side
1,028,689.02x = 1,259,918,008,331.79 - Step 5: Solve for x
x = 1,259,918,008,331.79/1,028,689.02 - Step 6: Final answer
x = 1,224,780.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.