Finding the Fourth Proportional to 1,056,106.81, 1,584,227.06 and 407,992.09
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Solution
The fourth proportional to 1,056,106.81, 1,584,227.06 and 407,992.09 is: 612,013.96
Step by Step Solution
- Step 1: Write the proportion equation
1,056,106.81 : 1,584,227.06 = 407,992.09 : x - Step 2: Convert to fraction form
1,056,106.81/1,584,227.06 = 407,992.09/x - Step 3: Cross multiply
1,056,106.81x = 1,584,227.06 × 407,992.09 - Step 4: Simplify right side
1,056,106.81x = 646,352,107,743.82 - Step 5: Solve for x
x = 646,352,107,743.82/1,056,106.81 - Step 6: Final answer
x = 612,013.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.