Finding the Fourth Proportional to 1,112,548.49, 1,535,347.08 and 629,185.91
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Solution
The fourth proportional to 1,112,548.49, 1,535,347.08 and 629,185.91 is: 868,293.61
Step by Step Solution
- Step 1: Write the proportion equation
1,112,548.49 : 1,535,347.08 = 629,185.91 : x - Step 2: Convert to fraction form
1,112,548.49/1,535,347.08 = 629,185.91/x - Step 3: Cross multiply
1,112,548.49x = 1,535,347.08 × 629,185.91 - Step 4: Simplify right side
1,112,548.49x = 966,018,742,018.91 - Step 5: Solve for x
x = 966,018,742,018.91/1,112,548.49 - Step 6: Final answer
x = 868,293.61
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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.