Finding the Fourth Proportional to 1,169,689.74, 1,750,542.53 and 980,363.99
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Solution
The fourth proportional to 1,169,689.74, 1,750,542.53 and 980,363.99 is: 1,467,200.05
Step by Step Solution
- Step 1: Write the proportion equation
1,169,689.74 : 1,750,542.53 = 980,363.99 : x - Step 2: Convert to fraction form
1,169,689.74/1,750,542.53 = 980,363.99/x - Step 3: Cross multiply
1,169,689.74x = 1,750,542.53 × 980,363.99 - Step 4: Simplify right side
1,169,689.74x = 1,716,168,845,720.96 - Step 5: Solve for x
x = 1,716,168,845,720.96/1,169,689.74 - Step 6: Final answer
x = 1,467,200.05
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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.