Finding the Fourth Proportional to 1,119,593.12, 1,679,338.65 and 361,469.57
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Solution
The fourth proportional to 1,119,593.12, 1,679,338.65 and 361,469.57 is: 542,187.88
Step by Step Solution
- Step 1: Write the proportion equation
1,119,593.12 : 1,679,338.65 = 361,469.57 : x - Step 2: Convert to fraction form
1,119,593.12/1,679,338.65 = 361,469.57/x - Step 3: Cross multiply
1,119,593.12x = 1,679,338.65 × 361,469.57 - Step 4: Simplify right side
1,119,593.12x = 607,029,819,699.88 - Step 5: Solve for x
x = 607,029,819,699.88/1,119,593.12 - Step 6: Final answer
x = 542,187.88
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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.