Finding the Fourth Proportional to 1,129,006.01, 1,559,321.35 and 743,544.50
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Solution
The fourth proportional to 1,129,006.01, 1,559,321.35 and 743,544.50 is: 1,026,942.98
Step by Step Solution
- Step 1: Write the proportion equation
1,129,006.01 : 1,559,321.35 = 743,544.50 : x - Step 2: Convert to fraction form
1,129,006.01/1,559,321.35 = 743,544.50/x - Step 3: Cross multiply
1,129,006.01x = 1,559,321.35 × 743,544.50 - Step 4: Simplify right side
1,129,006.01x = 1,159,424,803,869.61 - Step 5: Solve for x
x = 1,159,424,803,869.61/1,129,006.01 - Step 6: Final answer
x = 1,026,942.98
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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.