Finding the Fourth Proportional to 1,281,971.06, 1,769,664.79 and 798,774.94
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Solution
The fourth proportional to 1,281,971.06, 1,769,664.79 and 798,774.94 is: 1,102,648.82
Step by Step Solution
- Step 1: Write the proportion equation
1,281,971.06 : 1,769,664.79 = 798,774.94 : x - Step 2: Convert to fraction form
1,281,971.06/1,769,664.79 = 798,774.94/x - Step 3: Cross multiply
1,281,971.06x = 1,769,664.79 × 798,774.94 - Step 4: Simplify right side
1,281,971.06x = 1,413,563,877,819.18 - Step 5: Solve for x
x = 1,413,563,877,819.18/1,281,971.06 - Step 6: Final answer
x = 1,102,648.82
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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.