Finding the Fourth Proportional to 1,369,240.27, 1,889,406.16 and 757,295.80
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Solution
The fourth proportional to 1,369,240.27, 1,889,406.16 and 757,295.80 is: 1,044,987.78
Step by Step Solution
- Step 1: Write the proportion equation
1,369,240.27 : 1,889,406.16 = 757,295.80 : x - Step 2: Convert to fraction form
1,369,240.27/1,889,406.16 = 757,295.80/x - Step 3: Cross multiply
1,369,240.27x = 1,889,406.16 × 757,295.80 - Step 4: Simplify right side
1,369,240.27x = 1,430,839,349,462.13 - Step 5: Solve for x
x = 1,430,839,349,462.13/1,369,240.27 - Step 6: Final answer
x = 1,044,987.78
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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.