Finding the Fourth Proportional to 1,492,878.53, 2,239,323.55 and 454,239.11
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Solution
The fourth proportional to 1,492,878.53, 2,239,323.55 and 454,239.11 is: 681,360.42
Step by Step Solution
- Step 1: Write the proportion equation
1,492,878.53 : 2,239,323.55 = 454,239.11 : x - Step 2: Convert to fraction form
1,492,878.53/2,239,323.55 = 454,239.11/x - Step 3: Cross multiply
1,492,878.53x = 2,239,323.55 × 454,239.11 - Step 4: Simplify right side
1,492,878.53x = 1,017,188,340,816.75 - Step 5: Solve for x
x = 1,017,188,340,816.75/1,492,878.53 - Step 6: Final answer
x = 681,360.42
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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.