Finding the Fourth Proportional to 1,014,098.96, 1,399,473.12 and 555,205.88
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Solution
The fourth proportional to 1,014,098.96, 1,399,473.12 and 555,205.88 is: 766,193.18
Step by Step Solution
- Step 1: Write the proportion equation
1,014,098.96 : 1,399,473.12 = 555,205.88 : x - Step 2: Convert to fraction form
1,014,098.96/1,399,473.12 = 555,205.88/x - Step 3: Cross multiply
1,014,098.96x = 1,399,473.12 × 555,205.88 - Step 4: Simplify right side
1,014,098.96x = 776,995,705,125.95 - Step 5: Solve for x
x = 776,995,705,125.95/1,014,098.96 - Step 6: Final answer
x = 766,193.18
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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.