Finding the Fourth Proportional to 1,155,172.84, 1,731,246.08 and 554,939.75
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Solution
The fourth proportional to 1,155,172.84, 1,731,246.08 and 554,939.75 is: 831,682.70
Step by Step Solution
- Step 1: Write the proportion equation
1,155,172.84 : 1,731,246.08 = 554,939.75 : x - Step 2: Convert to fraction form
1,155,172.84/1,731,246.08 = 554,939.75/x - Step 3: Cross multiply
1,155,172.84x = 1,731,246.08 × 554,939.75 - Step 4: Simplify right side
1,155,172.84x = 960,737,268,377.10 - Step 5: Solve for x
x = 960,737,268,377.10/1,155,172.84 - Step 6: Final answer
x = 831,682.70
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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.