Finding the Fourth Proportional to 1,229,817.60, 1,696,890.24 and 746,637.12
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Solution
The fourth proportional to 1,229,817.60, 1,696,890.24 and 746,637.12 is: 1,030,202.56
Step by Step Solution
- Step 1: Write the proportion equation
1,229,817.60 : 1,696,890.24 = 746,637.12 : x - Step 2: Convert to fraction form
1,229,817.60/1,696,890.24 = 746,637.12/x - Step 3: Cross multiply
1,229,817.60x = 1,696,890.24 × 746,637.12 - Step 4: Simplify right side
1,229,817.60x = 1,266,961,241,749.71 - Step 5: Solve for x
x = 1,266,961,241,749.71/1,229,817.60 - Step 6: Final answer
x = 1,030,202.56
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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.