Finding the Fourth Proportional to 1,243,467.36, 1,715,985.04 and 706,923.36
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Solution
The fourth proportional to 1,243,467.36, 1,715,985.04 and 706,923.36 is: 975,554.28
Step by Step Solution
- Step 1: Write the proportion equation
1,243,467.36 : 1,715,985.04 = 706,923.36 : x - Step 2: Convert to fraction form
1,243,467.36/1,715,985.04 = 706,923.36/x - Step 3: Cross multiply
1,243,467.36x = 1,715,985.04 × 706,923.36 - Step 4: Simplify right side
1,243,467.36x = 1,213,069,910,186.53 - Step 5: Solve for x
x = 1,213,069,910,186.53/1,243,467.36 - Step 6: Final answer
x = 975,554.28
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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.