Finding the Fourth Proportional to 1,072,271.16, 1,478,484.09 and 799,866.14
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Solution
The fourth proportional to 1,072,271.16, 1,478,484.09 and 799,866.14 is: 1,102,882.74
Step by Step Solution
- Step 1: Write the proportion equation
1,072,271.16 : 1,478,484.09 = 799,866.14 : x - Step 2: Convert to fraction form
1,072,271.16/1,478,484.09 = 799,866.14/x - Step 3: Cross multiply
1,072,271.16x = 1,478,484.09 × 799,866.14 - Step 4: Simplify right side
1,072,271.16x = 1,182,589,354,727.29 - Step 5: Solve for x
x = 1,182,589,354,727.29/1,072,271.16 - Step 6: Final answer
x = 1,102,882.74
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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.