Finding the Fourth Proportional to 1,326,299.76, 1,830,294.36 and 722,687.76
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Solution
The fourth proportional to 1,326,299.76, 1,830,294.36 and 722,687.76 is: 997,309.49
Step by Step Solution
- Step 1: Write the proportion equation
1,326,299.76 : 1,830,294.36 = 722,687.76 : x - Step 2: Convert to fraction form
1,326,299.76/1,830,294.36 = 722,687.76/x - Step 3: Cross multiply
1,326,299.76x = 1,830,294.36 × 722,687.76 - Step 4: Simplify right side
1,326,299.76x = 1,322,731,331,169.03 - Step 5: Solve for x
x = 1,322,731,331,169.03/1,326,299.76 - Step 6: Final answer
x = 997,309.49
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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.