Finding the Fourth Proportional to 1,260,478.72, 1,739,466.04 and 687,531.19
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Solution
The fourth proportional to 1,260,478.72, 1,739,466.04 and 687,531.19 is: 948,795.99
Step by Step Solution
- Step 1: Write the proportion equation
1,260,478.72 : 1,739,466.04 = 687,531.19 : x - Step 2: Convert to fraction form
1,260,478.72/1,739,466.04 = 687,531.19/x - Step 3: Cross multiply
1,260,478.72x = 1,739,466.04 × 687,531.19 - Step 4: Simplify right side
1,260,478.72x = 1,195,937,156,445.79 - Step 5: Solve for x
x = 1,195,937,156,445.79/1,260,478.72 - Step 6: Final answer
x = 948,795.99
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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.