Finding the Fourth Proportional to 1,163,448.12, 1,743,383.70 and 689,189.88
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Solution
The fourth proportional to 1,163,448.12, 1,743,383.70 and 689,189.88 is: 1,032,725.38
Step by Step Solution
- Step 1: Write the proportion equation
1,163,448.12 : 1,743,383.70 = 689,189.88 : x - Step 2: Convert to fraction form
1,163,448.12/1,743,383.70 = 689,189.88/x - Step 3: Cross multiply
1,163,448.12x = 1,743,383.70 × 689,189.88 - Step 4: Simplify right side
1,163,448.12x = 1,201,522,402,996.96 - Step 5: Solve for x
x = 1,201,522,402,996.96/1,163,448.12 - Step 6: Final answer
x = 1,032,725.38
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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.