Finding the Fourth Proportional to 1,113,021.23, 1,668,978.99 and 354,764.03
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Solution
The fourth proportional to 1,113,021.23, 1,668,978.99 and 354,764.03 is: 531,969.82
Step by Step Solution
- Step 1: Write the proportion equation
1,113,021.23 : 1,668,978.99 = 354,764.03 : x - Step 2: Convert to fraction form
1,113,021.23/1,668,978.99 = 354,764.03/x - Step 3: Cross multiply
1,113,021.23x = 1,668,978.99 × 354,764.03 - Step 4: Simplify right side
1,113,021.23x = 592,093,704,132.84 - Step 5: Solve for x
x = 592,093,704,132.84/1,113,021.23 - Step 6: Final answer
x = 531,969.82
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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.