Finding the Fourth Proportional to 1,172,339.74, 1,617,828.84 and 635,795.74
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Solution
The fourth proportional to 1,172,339.74, 1,617,828.84 and 635,795.74 is: 877,398.12
Step by Step Solution
- Step 1: Write the proportion equation
1,172,339.74 : 1,617,828.84 = 635,795.74 : x - Step 2: Convert to fraction form
1,172,339.74/1,617,828.84 = 635,795.74/x - Step 3: Cross multiply
1,172,339.74x = 1,617,828.84 × 635,795.74 - Step 4: Simplify right side
1,172,339.74x = 1,028,608,684,521.14 - Step 5: Solve for x
x = 1,028,608,684,521.14/1,172,339.74 - Step 6: Final answer
x = 877,398.12
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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.