Finding the Fourth Proportional to 1,116,493.37, 1,541,107.74 and 887,457.08
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Solution
The fourth proportional to 1,116,493.37, 1,541,107.74 and 887,457.08 is: 1,224,966.50
Step by Step Solution
- Step 1: Write the proportion equation
1,116,493.37 : 1,541,107.74 = 887,457.08 : x - Step 2: Convert to fraction form
1,116,493.37/1,541,107.74 = 887,457.08/x - Step 3: Cross multiply
1,116,493.37x = 1,541,107.74 × 887,457.08 - Step 4: Simplify right side
1,116,493.37x = 1,367,666,974,905.80 - Step 5: Solve for x
x = 1,367,666,974,905.80/1,116,493.37 - Step 6: Final answer
x = 1,224,966.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.