Finding the Fourth Proportional to 1,260,571.02, 1,739,599.11 and 687,613.74
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Solution
The fourth proportional to 1,260,571.02, 1,739,599.11 and 687,613.74 is: 948,913.02
Step by Step Solution
- Step 1: Write the proportion equation
1,260,571.02 : 1,739,599.11 = 687,613.74 : x - Step 2: Convert to fraction form
1,260,571.02/1,739,599.11 = 687,613.74/x - Step 3: Cross multiply
1,260,571.02x = 1,739,599.11 × 687,613.74 - Step 4: Simplify right side
1,260,571.02x = 1,196,172,250,127.77 - Step 5: Solve for x
x = 1,196,172,250,127.77/1,260,571.02 - Step 6: Final answer
x = 948,913.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.