Finding the Fourth Proportional to 1,036,737.54, 1,430,638.12 and 577,836.90
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Solution
The fourth proportional to 1,036,737.54, 1,430,638.12 and 577,836.90 is: 797,381.66
Step by Step Solution
- Step 1: Write the proportion equation
1,036,737.54 : 1,430,638.12 = 577,836.90 : x - Step 2: Convert to fraction form
1,036,737.54/1,430,638.12 = 577,836.90/x - Step 3: Cross multiply
1,036,737.54x = 1,430,638.12 × 577,836.90 - Step 4: Simplify right side
1,036,737.54x = 826,675,496,282.63 - Step 5: Solve for x
x = 826,675,496,282.63/1,036,737.54 - Step 6: Final answer
x = 797,381.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.