Finding the Fourth Proportional to 1,328,805.92, 1,993,526.40 and 430,248.62
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Solution
The fourth proportional to 1,328,805.92, 1,993,526.40 and 430,248.62 is: 645,475.74
Step by Step Solution
- Step 1: Write the proportion equation
1,328,805.92 : 1,993,526.40 = 430,248.62 : x - Step 2: Convert to fraction form
1,328,805.92/1,993,526.40 = 430,248.62/x - Step 3: Cross multiply
1,328,805.92x = 1,993,526.40 × 430,248.62 - Step 4: Simplify right side
1,328,805.92x = 857,711,982,533.57 - Step 5: Solve for x
x = 857,711,982,533.57/1,328,805.92 - Step 6: Final answer
x = 645,475.74
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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.