Finding the Fourth Proportional to 1,126,727.15, 1,688,909.74 and 416,302.07
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Solution
The fourth proportional to 1,126,727.15, 1,688,909.74 and 416,302.07 is: 624,016.76
Step by Step Solution
- Step 1: Write the proportion equation
1,126,727.15 : 1,688,909.74 = 416,302.07 : x - Step 2: Convert to fraction form
1,126,727.15/1,688,909.74 = 416,302.07/x - Step 3: Cross multiply
1,126,727.15x = 1,688,909.74 × 416,302.07 - Step 4: Simplify right side
1,126,727.15x = 703,096,620,805.16 - Step 5: Solve for x
x = 703,096,620,805.16/1,126,727.15 - Step 6: Final answer
x = 624,016.76
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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.