Finding the Fourth Proportional to 1,117,705.12, 1,676,558.24 and 369,751.12
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Solution
The fourth proportional to 1,117,705.12, 1,676,558.24 and 369,751.12 is: 554,626.87
Step by Step Solution
- Step 1: Write the proportion equation
1,117,705.12 : 1,676,558.24 = 369,751.12 : x - Step 2: Convert to fraction form
1,117,705.12/1,676,558.24 = 369,751.12/x - Step 3: Cross multiply
1,117,705.12x = 1,676,558.24 × 369,751.12 - Step 4: Simplify right side
1,117,705.12x = 619,909,286,985.23 - Step 5: Solve for x
x = 619,909,286,985.23/1,117,705.12 - Step 6: Final answer
x = 554,626.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.