Finding the Fourth Proportional to 1,243,468.36, 1,715,986.42 and 706,924.36
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Solution
The fourth proportional to 1,243,468.36, 1,715,986.42 and 706,924.36 is: 975,555.66
Step by Step Solution
- Step 1: Write the proportion equation
1,243,468.36 : 1,715,986.42 = 706,924.36 : x - Step 2: Convert to fraction form
1,243,468.36/1,715,986.42 = 706,924.36/x - Step 3: Cross multiply
1,243,468.36x = 1,715,986.42 × 706,924.36 - Step 4: Simplify right side
1,243,468.36x = 1,213,072,601,727.19 - Step 5: Solve for x
x = 1,213,072,601,727.19/1,243,468.36 - Step 6: Final answer
x = 975,555.66
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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.