Finding the Fourth Proportional to 1,117,751.04, 1,542,496.48 and 608,457.12
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Solution
The fourth proportional to 1,117,751.04, 1,542,496.48 and 608,457.12 is: 839,670.85
Step by Step Solution
- Step 1: Write the proportion equation
1,117,751.04 : 1,542,496.48 = 608,457.12 : x - Step 2: Convert to fraction form
1,117,751.04/1,542,496.48 = 608,457.12/x - Step 3: Cross multiply
1,117,751.04x = 1,542,496.48 × 608,457.12 - Step 4: Simplify right side
1,117,751.04x = 938,542,965,830.94 - Step 5: Solve for x
x = 938,542,965,830.94/1,117,751.04 - Step 6: Final answer
x = 839,670.85
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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.