Finding the Fourth Proportional to 1,257,767.15, 1,735,680.71 and 698,959.62
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Solution
The fourth proportional to 1,257,767.15, 1,735,680.71 and 698,959.62 is: 964,543.19
Step by Step Solution
- Step 1: Write the proportion equation
1,257,767.15 : 1,735,680.71 = 698,959.62 : x - Step 2: Convert to fraction form
1,257,767.15/1,735,680.71 = 698,959.62/x - Step 3: Cross multiply
1,257,767.15x = 1,735,680.71 × 698,959.62 - Step 4: Simplify right side
1,257,767.15x = 1,213,170,731,250.33 - Step 5: Solve for x
x = 1,213,170,731,250.33/1,257,767.15 - Step 6: Final answer
x = 964,543.19
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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.