Finding the Fourth Proportional to 1,260,427.62, 1,739,389.06 and 687,466.02
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Solution
The fourth proportional to 1,260,427.62, 1,739,389.06 and 687,466.02 is: 948,702.53
Step by Step Solution
- Step 1: Write the proportion equation
1,260,427.62 : 1,739,389.06 = 687,466.02 : x - Step 2: Convert to fraction form
1,260,427.62/1,739,389.06 = 687,466.02/x - Step 3: Cross multiply
1,260,427.62x = 1,739,389.06 × 687,466.02 - Step 4: Simplify right side
1,260,427.62x = 1,195,770,874,309.74 - Step 5: Solve for x
x = 1,195,770,874,309.74/1,260,427.62 - Step 6: Final answer
x = 948,702.53
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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.