Finding the Fourth Proportional to 1,173,260.42, 1,619,122.30 and 765,623.06
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Solution
The fourth proportional to 1,173,260.42, 1,619,122.30 and 765,623.06 is: 1,056,574.78
Step by Step Solution
- Step 1: Write the proportion equation
1,173,260.42 : 1,619,122.30 = 765,623.06 : x - Step 2: Convert to fraction form
1,173,260.42/1,619,122.30 = 765,623.06/x - Step 3: Cross multiply
1,173,260.42x = 1,619,122.30 × 765,623.06 - Step 4: Simplify right side
1,173,260.42x = 1,239,637,369,840.24 - Step 5: Solve for x
x = 1,239,637,369,840.24/1,173,260.42 - Step 6: Final answer
x = 1,056,574.78
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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.