Finding the Fourth Proportional to 1,380,455.36, 2,069,628.96 and 433,278.08
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Solution
The fourth proportional to 1,380,455.36, 2,069,628.96 and 433,278.08 is: 649,586.28
Step by Step Solution
- Step 1: Write the proportion equation
1,380,455.36 : 2,069,628.96 = 433,278.08 : x - Step 2: Convert to fraction form
1,380,455.36/2,069,628.96 = 433,278.08/x - Step 3: Cross multiply
1,380,455.36x = 2,069,628.96 × 433,278.08 - Step 4: Simplify right side
1,380,455.36x = 896,724,862,101.20 - Step 5: Solve for x
x = 896,724,862,101.20/1,380,455.36 - Step 6: Final answer
x = 649,586.28
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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.