Finding the Fourth Proportional to 1,187,962.82, 1,777,687.35 and 1,028,588.54
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Solution
The fourth proportional to 1,187,962.82, 1,777,687.35 and 1,028,588.54 is: 1,539,197.02
Step by Step Solution
- Step 1: Write the proportion equation
1,187,962.82 : 1,777,687.35 = 1,028,588.54 : x - Step 2: Convert to fraction form
1,187,962.82/1,777,687.35 = 1,028,588.54/x - Step 3: Cross multiply
1,187,962.82x = 1,777,687.35 × 1,028,588.54 - Step 4: Simplify right side
1,187,962.82x = 1,828,508,835,912.97 - Step 5: Solve for x
x = 1,828,508,835,912.97/1,187,962.82 - Step 6: Final answer
x = 1,539,197.02
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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.