Finding the Fourth Proportional to 1,009,290.20, 1,512,688.67 and 866,129.18
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Solution
The fourth proportional to 1,009,290.20, 1,512,688.67 and 866,129.18 is: 1,298,123.96
Step by Step Solution
- Step 1: Write the proportion equation
1,009,290.20 : 1,512,688.67 = 866,129.18 : x - Step 2: Convert to fraction form
1,009,290.20/1,512,688.67 = 866,129.18/x - Step 3: Cross multiply
1,009,290.20x = 1,512,688.67 × 866,129.18 - Step 4: Simplify right side
1,009,290.20x = 1,310,183,796,793.47 - Step 5: Solve for x
x = 1,310,183,796,793.47/1,009,290.20 - Step 6: Final answer
x = 1,298,123.96
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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.