Finding the Fourth Proportional to 1,252,368.39, 1,727,499.45 and 1,106,706.75
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Solution
The fourth proportional to 1,252,368.39, 1,727,499.45 and 1,106,706.75 is: 1,526,575.82
Step by Step Solution
- Step 1: Write the proportion equation
1,252,368.39 : 1,727,499.45 = 1,106,706.75 : x - Step 2: Convert to fraction form
1,252,368.39/1,727,499.45 = 1,106,706.75/x - Step 3: Cross multiply
1,252,368.39x = 1,727,499.45 × 1,106,706.75 - Step 4: Simplify right side
1,252,368.39x = 1,911,835,299,608.32 - Step 5: Solve for x
x = 1,911,835,299,608.32/1,252,368.39 - Step 6: Final answer
x = 1,526,575.82
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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.