Finding the Fourth Proportional to 1,405,432.26, 1,939,502.70 and 760,852.44
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Solution
The fourth proportional to 1,405,432.26, 1,939,502.70 and 760,852.44 is: 1,049,979.71
Step by Step Solution
- Step 1: Write the proportion equation
1,405,432.26 : 1,939,502.70 = 760,852.44 : x - Step 2: Convert to fraction form
1,405,432.26/1,939,502.70 = 760,852.44/x - Step 3: Cross multiply
1,405,432.26x = 1,939,502.70 × 760,852.44 - Step 4: Simplify right side
1,405,432.26x = 1,475,675,361,681.59 - Step 5: Solve for x
x = 1,475,675,361,681.59/1,405,432.26 - Step 6: Final answer
x = 1,049,979.71
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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.