Finding the Fourth Proportional to 1,258,813.38, 1,889,866.44 and 747,412.02
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Solution
The fourth proportional to 1,258,813.38, 1,889,866.44 and 747,412.02 is: 1,122,095.55
Step by Step Solution
- Step 1: Write the proportion equation
1,258,813.38 : 1,889,866.44 = 747,412.02 : x - Step 2: Convert to fraction form
1,258,813.38/1,889,866.44 = 747,412.02/x - Step 3: Cross multiply
1,258,813.38x = 1,889,866.44 × 747,412.02 - Step 4: Simplify right side
1,258,813.38x = 1,412,508,893,450.61 - Step 5: Solve for x
x = 1,412,508,893,450.61/1,258,813.38 - Step 6: Final answer
x = 1,122,095.55
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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.