Finding the Fourth Proportional to 1,125,964.68, 1,684,709.40 and 789,661.80
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Solution
The fourth proportional to 1,125,964.68, 1,684,709.40 and 789,661.80 is: 1,181,520.77
Step by Step Solution
- Step 1: Write the proportion equation
1,125,964.68 : 1,684,709.40 = 789,661.80 : x - Step 2: Convert to fraction form
1,125,964.68/1,684,709.40 = 789,661.80/x - Step 3: Cross multiply
1,125,964.68x = 1,684,709.40 × 789,661.80 - Step 4: Simplify right side
1,125,964.68x = 1,330,350,657,280.92 - Step 5: Solve for x
x = 1,330,350,657,280.92/1,125,964.68 - Step 6: Final answer
x = 1,181,520.77
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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.