Finding the Fourth Proportional to 1,079,752.44, 1,489,159.98 and 808,460.76
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Solution
The fourth proportional to 1,079,752.44, 1,489,159.98 and 808,460.76 is: 1,115,003.18
Step by Step Solution
- Step 1: Write the proportion equation
1,079,752.44 : 1,489,159.98 = 808,460.76 : x - Step 2: Convert to fraction form
1,079,752.44/1,489,159.98 = 808,460.76/x - Step 3: Cross multiply
1,079,752.44x = 1,489,159.98 × 808,460.76 - Step 4: Simplify right side
1,079,752.44x = 1,203,927,409,192.38 - Step 5: Solve for x
x = 1,203,927,409,192.38/1,079,752.44 - Step 6: Final answer
x = 1,115,003.18
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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.