Finding the Fourth Proportional to 1,119,557.71, 1,679,393.98 and 320,846.18
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Solution
The fourth proportional to 1,119,557.71, 1,679,393.98 and 320,846.18 is: 481,285.72
Step by Step Solution
- Step 1: Write the proportion equation
1,119,557.71 : 1,679,393.98 = 320,846.18 : x - Step 2: Convert to fraction form
1,119,557.71/1,679,393.98 = 320,846.18/x - Step 3: Cross multiply
1,119,557.71x = 1,679,393.98 × 320,846.18 - Step 4: Simplify right side
1,119,557.71x = 538,827,135,202.08 - Step 5: Solve for x
x = 538,827,135,202.08/1,119,557.71 - Step 6: Final answer
x = 481,285.72
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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.