Finding the Fourth Proportional to 1,444,164.72, 1,992,681.70 and 832,231.68
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Solution
The fourth proportional to 1,444,164.72, 1,992,681.70 and 832,231.68 is: 1,148,326.65
Step by Step Solution
- Step 1: Write the proportion equation
1,444,164.72 : 1,992,681.70 = 832,231.68 : x - Step 2: Convert to fraction form
1,444,164.72/1,992,681.70 = 832,231.68/x - Step 3: Cross multiply
1,444,164.72x = 1,992,681.70 × 832,231.68 - Step 4: Simplify right side
1,444,164.72x = 1,658,372,838,896.26 - Step 5: Solve for x
x = 1,658,372,838,896.26/1,444,164.72 - Step 6: Final answer
x = 1,148,326.65
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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.