Finding the Fourth Proportional to 1,041,877.62, 1,438,014.47 and 634,110.80
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Solution
The fourth proportional to 1,041,877.62, 1,438,014.47 and 634,110.80 is: 875,208.83
Step by Step Solution
- Step 1: Write the proportion equation
1,041,877.62 : 1,438,014.47 = 634,110.80 : x - Step 2: Convert to fraction form
1,041,877.62/1,438,014.47 = 634,110.80/x - Step 3: Cross multiply
1,041,877.62x = 1,438,014.47 × 634,110.80 - Step 4: Simplify right side
1,041,877.62x = 911,860,495,622.65 - Step 5: Solve for x
x = 911,860,495,622.65/1,041,877.62 - Step 6: Final answer
x = 875,208.83
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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.