Finding the Fourth Proportional to 1,277,133.84, 1,762,871.76 and 761,049.62
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Solution
The fourth proportional to 1,277,133.84, 1,762,871.76 and 761,049.62 is: 1,050,502.96
Step by Step Solution
- Step 1: Write the proportion equation
1,277,133.84 : 1,762,871.76 = 761,049.62 : x - Step 2: Convert to fraction form
1,277,133.84/1,762,871.76 = 761,049.62/x - Step 3: Cross multiply
1,277,133.84x = 1,762,871.76 × 761,049.62 - Step 4: Simplify right side
1,277,133.84x = 1,341,632,874,242.37 - Step 5: Solve for x
x = 1,341,632,874,242.37/1,277,133.84 - Step 6: Final answer
x = 1,050,502.96
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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.