Finding the Fourth Proportional to 1,369,253.49, 1,889,424.25 and 757,309.02
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Solution
The fourth proportional to 1,369,253.49, 1,889,424.25 and 757,309.02 is: 1,045,005.94
Step by Step Solution
- Step 1: Write the proportion equation
1,369,253.49 : 1,889,424.25 = 757,309.02 : x - Step 2: Convert to fraction form
1,369,253.49/1,889,424.25 = 757,309.02/x - Step 3: Cross multiply
1,369,253.49x = 1,889,424.25 × 757,309.02 - Step 4: Simplify right side
1,369,253.49x = 1,430,878,027,131.74 - Step 5: Solve for x
x = 1,430,878,027,131.74/1,369,253.49 - Step 6: Final answer
x = 1,045,005.94
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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.