Finding the Fourth Proportional to 1,175,866.08, 1,622,693.04 and 639,320.80
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Solution
The fourth proportional to 1,175,866.08, 1,622,693.04 and 639,320.80 is: 882,261.53
Step by Step Solution
- Step 1: Write the proportion equation
1,175,866.08 : 1,622,693.04 = 639,320.80 : x - Step 2: Convert to fraction form
1,175,866.08/1,622,693.04 = 639,320.80/x - Step 3: Cross multiply
1,175,866.08x = 1,622,693.04 × 639,320.80 - Step 4: Simplify right side
1,175,866.08x = 1,037,421,412,487.23 - Step 5: Solve for x
x = 1,037,421,412,487.23/1,175,866.08 - Step 6: Final answer
x = 882,261.53
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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.