Finding the Fourth Proportional to 1,029,655.34, 1,419,349.26 and 722,871.08
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Solution
The fourth proportional to 1,029,655.34, 1,419,349.26 and 722,871.08 is: 996,456.28
Step by Step Solution
- Step 1: Write the proportion equation
1,029,655.34 : 1,419,349.26 = 722,871.08 : x - Step 2: Convert to fraction form
1,029,655.34/1,419,349.26 = 722,871.08/x - Step 3: Cross multiply
1,029,655.34x = 1,419,349.26 × 722,871.08 - Step 4: Simplify right side
1,029,655.34x = 1,026,006,532,473.40 - Step 5: Solve for x
x = 1,026,006,532,473.40/1,029,655.34 - Step 6: Final answer
x = 996,456.28
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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.