Finding the Fourth Proportional to 1,104,663.36, 1,523,491.20 and 761,047.68
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Solution
The fourth proportional to 1,104,663.36, 1,523,491.20 and 761,047.68 is: 1,049,595.28
Step by Step Solution
- Step 1: Write the proportion equation
1,104,663.36 : 1,523,491.20 = 761,047.68 : x - Step 2: Convert to fraction form
1,104,663.36/1,523,491.20 = 761,047.68/x - Step 3: Cross multiply
1,104,663.36x = 1,523,491.20 × 761,047.68 - Step 4: Simplify right side
1,104,663.36x = 1,159,449,443,260.42 - Step 5: Solve for x
x = 1,159,449,443,260.42/1,104,663.36 - Step 6: Final answer
x = 1,049,595.28
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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.