Finding the Fourth Proportional to 1,221,713.30, 1,832,130.84 and 422,777.90
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Solution
The fourth proportional to 1,221,713.30, 1,832,130.84 and 422,777.90 is: 634,014.89
Step by Step Solution
- Step 1: Write the proportion equation
1,221,713.30 : 1,832,130.84 = 422,777.90 : x - Step 2: Convert to fraction form
1,221,713.30/1,832,130.84 = 422,777.90/x - Step 3: Cross multiply
1,221,713.30x = 1,832,130.84 × 422,777.90 - Step 4: Simplify right side
1,221,713.30x = 774,584,429,060.44 - Step 5: Solve for x
x = 774,584,429,060.44/1,221,713.30 - Step 6: Final answer
x = 634,014.89
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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.