Finding the Fourth Proportional to 1,243,267.16, 1,715,706.14 and 699,403.32
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Solution
The fourth proportional to 1,243,267.16, 1,715,706.14 and 699,403.32 is: 965,175.15
Step by Step Solution
- Step 1: Write the proportion equation
1,243,267.16 : 1,715,706.14 = 699,403.32 : x - Step 2: Convert to fraction form
1,243,267.16/1,715,706.14 = 699,403.32/x - Step 3: Cross multiply
1,243,267.16x = 1,715,706.14 × 699,403.32 - Step 4: Simplify right side
1,243,267.16x = 1,199,970,570,460.38 - Step 5: Solve for x
x = 1,199,970,570,460.38/1,243,267.16 - Step 6: Final answer
x = 965,175.15
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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.