Finding the Fourth Proportional to 1,126,715.36, 1,688,892.05 and 416,290.28
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Solution
The fourth proportional to 1,126,715.36, 1,688,892.05 and 416,290.28 is: 623,999.07
Step by Step Solution
- Step 1: Write the proportion equation
1,126,715.36 : 1,688,892.05 = 416,290.28 : x - Step 2: Convert to fraction form
1,126,715.36/1,688,892.05 = 416,290.28/x - Step 3: Cross multiply
1,126,715.36x = 1,688,892.05 × 416,290.28 - Step 4: Simplify right side
1,126,715.36x = 703,069,336,980.54 - Step 5: Solve for x
x = 703,069,336,980.54/1,126,715.36 - Step 6: Final answer
x = 623,999.07
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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.