Finding the Fourth Proportional to 1,117,967.49, 1,542,770.91 and 652,901.33
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Solution
The fourth proportional to 1,117,967.49, 1,542,770.91 and 652,901.33 is: 900,989.69
Step by Step Solution
- Step 1: Write the proportion equation
1,117,967.49 : 1,542,770.91 = 652,901.33 : x - Step 2: Convert to fraction form
1,117,967.49/1,542,770.91 = 652,901.33/x - Step 3: Cross multiply
1,117,967.49x = 1,542,770.91 × 652,901.33 - Step 4: Simplify right side
1,117,967.49x = 1,007,277,182,881.24 - Step 5: Solve for x
x = 1,007,277,182,881.24/1,117,967.49 - Step 6: Final answer
x = 900,989.69
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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.