Finding the Fourth Proportional to 1,405,252.07, 1,939,246.25 and 760,672.07
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Solution
The fourth proportional to 1,405,252.07, 1,939,246.25 and 760,672.07 is: 1,049,726.58
Step by Step Solution
- Step 1: Write the proportion equation
1,405,252.07 : 1,939,246.25 = 760,672.07 : x - Step 2: Convert to fraction form
1,405,252.07/1,939,246.25 = 760,672.07/x - Step 3: Cross multiply
1,405,252.07x = 1,939,246.25 × 760,672.07 - Step 4: Simplify right side
1,405,252.07x = 1,475,130,445,727.65 - Step 5: Solve for x
x = 1,475,130,445,727.65/1,405,252.07 - Step 6: Final answer
x = 1,049,726.58
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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.