Finding the Fourth Proportional to 1,213,897.44, 1,674,928.36 and 697,551.60
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Solution
The fourth proportional to 1,213,897.44, 1,674,928.36 and 697,551.60 is: 962,477.49
Step by Step Solution
- Step 1: Write the proportion equation
1,213,897.44 : 1,674,928.36 = 697,551.60 : x - Step 2: Convert to fraction form
1,213,897.44/1,674,928.36 = 697,551.60/x - Step 3: Cross multiply
1,213,897.44x = 1,674,928.36 × 697,551.60 - Step 4: Simplify right side
1,213,897.44x = 1,168,348,957,403.38 - Step 5: Solve for x
x = 1,168,348,957,403.38/1,213,897.44 - Step 6: Final answer
x = 962,477.49
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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.