Finding the Fourth Proportional to 1,020,873.60, 1,529,599.68 and 720,856.08
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Solution
The fourth proportional to 1,020,873.60, 1,529,599.68 and 720,856.08 is: 1,080,076.15
Step by Step Solution
- Step 1: Write the proportion equation
1,020,873.60 : 1,529,599.68 = 720,856.08 : x - Step 2: Convert to fraction form
1,020,873.60/1,529,599.68 = 720,856.08/x - Step 3: Cross multiply
1,020,873.60x = 1,529,599.68 × 720,856.08 - Step 4: Simplify right side
1,020,873.60x = 1,102,621,229,294.05 - Step 5: Solve for x
x = 1,102,621,229,294.05/1,020,873.60 - Step 6: Final answer
x = 1,080,076.15
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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.