Finding the Fourth Proportional to 1,168,473.36, 1,612,484.10 and 631,929.36
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Solution
The fourth proportional to 1,168,473.36, 1,612,484.10 and 631,929.36 is: 872,057.58
Step by Step Solution
- Step 1: Write the proportion equation
1,168,473.36 : 1,612,484.10 = 631,929.36 : x - Step 2: Convert to fraction form
1,168,473.36/1,612,484.10 = 631,929.36/x - Step 3: Cross multiply
1,168,473.36x = 1,612,484.10 × 631,929.36 - Step 4: Simplify right side
1,168,473.36x = 1,018,976,045,323.18 - Step 5: Solve for x
x = 1,018,976,045,323.18/1,168,473.36 - Step 6: Final answer
x = 872,057.58
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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.