Finding the Fourth Proportional to 1,159,201.80, 1,737,992.70 and 685,643.40
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Solution
The fourth proportional to 1,159,201.80, 1,737,992.70 and 685,643.40 is: 1,027,986.00
Step by Step Solution
- Step 1: Write the proportion equation
1,159,201.80 : 1,737,992.70 = 685,643.40 : x - Step 2: Convert to fraction form
1,159,201.80/1,737,992.70 = 685,643.40/x - Step 3: Cross multiply
1,159,201.80x = 1,737,992.70 × 685,643.40 - Step 4: Simplify right side
1,159,201.80x = 1,191,643,224,003.18 - Step 5: Solve for x
x = 1,191,643,224,003.18/1,159,201.80 - Step 6: Final answer
x = 1,027,986.00
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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.