Finding the Fourth Proportional to 1,256,730.21, 1,734,235.88 and 683,772.66
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Solution
The fourth proportional to 1,256,730.21, 1,734,235.88 and 683,772.66 is: 943,578.08
Step by Step Solution
- Step 1: Write the proportion equation
1,256,730.21 : 1,734,235.88 = 683,772.66 : x - Step 2: Convert to fraction form
1,256,730.21/1,734,235.88 = 683,772.66/x - Step 3: Cross multiply
1,256,730.21x = 1,734,235.88 × 683,772.66 - Step 4: Simplify right side
1,256,730.21x = 1,185,823,077,316.18 - Step 5: Solve for x
x = 1,185,823,077,316.18/1,256,730.21 - Step 6: Final answer
x = 943,578.08
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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.