Finding the Fourth Proportional to 1,021,726.35, 1,532,775.42 and 422,361.99
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Solution
The fourth proportional to 1,021,726.35, 1,532,775.42 and 422,361.99 is: 633,619.83
Step by Step Solution
- Step 1: Write the proportion equation
1,021,726.35 : 1,532,775.42 = 422,361.99 : x - Step 2: Convert to fraction form
1,021,726.35/1,532,775.42 = 422,361.99/x - Step 3: Cross multiply
1,021,726.35x = 1,532,775.42 × 422,361.99 - Step 4: Simplify right side
1,021,726.35x = 647,386,076,614.29 - Step 5: Solve for x
x = 647,386,076,614.29/1,021,726.35 - Step 6: Final answer
x = 633,619.83
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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.