Finding the Fourth Proportional to 1,313,142.68, 1,968,926.70 and 637,894.28
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Solution
The fourth proportional to 1,313,142.68, 1,968,926.70 and 637,894.28 is: 956,458.96
Step by Step Solution
- Step 1: Write the proportion equation
1,313,142.68 : 1,968,926.70 = 637,894.28 : x - Step 2: Convert to fraction form
1,313,142.68/1,968,926.70 = 637,894.28/x - Step 3: Cross multiply
1,313,142.68x = 1,968,926.70 × 637,894.28 - Step 4: Simplify right side
1,313,142.68x = 1,255,967,079,669.28 - Step 5: Solve for x
x = 1,255,967,079,669.28/1,313,142.68 - Step 6: Final answer
x = 956,458.96
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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.