Finding the Fourth Proportional to 1,119,840.99, 1,678,766.80 and 436,570.35
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Solution
The fourth proportional to 1,119,840.99, 1,678,766.80 and 436,570.35 is: 654,467.75
Step by Step Solution
- Step 1: Write the proportion equation
1,119,840.99 : 1,678,766.80 = 436,570.35 : x - Step 2: Convert to fraction form
1,119,840.99/1,678,766.80 = 436,570.35/x - Step 3: Cross multiply
1,119,840.99x = 1,678,766.80 × 436,570.35 - Step 4: Simplify right side
1,119,840.99x = 732,899,809,444.38 - Step 5: Solve for x
x = 732,899,809,444.38/1,119,840.99 - Step 6: Final answer
x = 654,467.75
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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.