Finding the Fourth Proportional to 1,158,718.08, 1,738,078.56 and 317,277.12
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Solution
The fourth proportional to 1,158,718.08, 1,738,078.56 and 317,277.12 is: 475,916.07
Step by Step Solution
- Step 1: Write the proportion equation
1,158,718.08 : 1,738,078.56 = 317,277.12 : x - Step 2: Convert to fraction form
1,158,718.08/1,738,078.56 = 317,277.12/x - Step 3: Cross multiply
1,158,718.08x = 1,738,078.56 × 317,277.12 - Step 4: Simplify right side
1,158,718.08x = 551,452,559,850.55 - Step 5: Solve for x
x = 551,452,559,850.55/1,158,718.08 - Step 6: Final answer
x = 475,916.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.