Finding the Fourth Proportional to 1,126,716.48, 1,688,893.74 and 416,291.40
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Solution
The fourth proportional to 1,126,716.48, 1,688,893.74 and 416,291.40 is: 624,000.76
Step by Step Solution
- Step 1: Write the proportion equation
1,126,716.48 : 1,688,893.74 = 416,291.40 : x - Step 2: Convert to fraction form
1,126,716.48/1,688,893.74 = 416,291.40/x - Step 3: Cross multiply
1,126,716.48x = 1,688,893.74 × 416,291.40 - Step 4: Simplify right side
1,126,716.48x = 703,071,939,475.84 - Step 5: Solve for x
x = 703,071,939,475.84/1,126,716.48 - Step 6: Final answer
x = 624,000.76
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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.