Finding the Fourth Proportional to 1,318,137.99, 1,975,272.59 and 742,881.17
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Solution
The fourth proportional to 1,318,137.99, 1,975,272.59 and 742,881.17 is: 1,113,231.56
Step by Step Solution
- Step 1: Write the proportion equation
1,318,137.99 : 1,975,272.59 = 742,881.17 : x - Step 2: Convert to fraction form
1,318,137.99/1,975,272.59 = 742,881.17/x - Step 3: Cross multiply
1,318,137.99x = 1,975,272.59 × 742,881.17 - Step 4: Simplify right side
1,318,137.99x = 1,467,392,809,100.98 - Step 5: Solve for x
x = 1,467,392,809,100.98/1,318,137.99 - Step 6: Final answer
x = 1,113,231.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.