Finding the Fourth Proportional to 1,259,808.24, 1,738,534.16 and 686,848.26
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Solution
The fourth proportional to 1,259,808.24, 1,738,534.16 and 686,848.26 is: 947,849.94
Step by Step Solution
- Step 1: Write the proportion equation
1,259,808.24 : 1,738,534.16 = 686,848.26 : x - Step 2: Convert to fraction form
1,259,808.24/1,738,534.16 = 686,848.26/x - Step 3: Cross multiply
1,259,808.24x = 1,738,534.16 × 686,848.26 - Step 4: Simplify right side
1,259,808.24x = 1,194,109,162,746.56 - Step 5: Solve for x
x = 1,194,109,162,746.56/1,259,808.24 - Step 6: Final answer
x = 947,849.94
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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.