Finding the Fourth Proportional to 818,618.94, 1,121,512.01 and 787,937.69
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Solution
The fourth proportional to 818,618.94, 1,121,512.01 and 787,937.69 is: 1,079,478.53
Step by Step Solution
- Step 1: Write the proportion equation
818,618.94 : 1,121,512.01 = 787,937.69 : x - Step 2: Convert to fraction form
818,618.94/1,121,512.01 = 787,937.69/x - Step 3: Cross multiply
818,618.94x = 1,121,512.01 × 787,937.69 - Step 4: Simplify right side
818,618.94x = 883,681,572,919.41 - Step 5: Solve for x
x = 883,681,572,919.41/818,618.94 - Step 6: Final answer
x = 1,079,478.53
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.