Finding the Fourth Proportional to 1,036,711.96, 1,430,669.14 and 577,855.62
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Solution
The fourth proportional to 1,036,711.96, 1,430,669.14 and 577,855.62 is: 797,444.45
Step by Step Solution
- Step 1: Write the proportion equation
1,036,711.96 : 1,430,669.14 = 577,855.62 : x - Step 2: Convert to fraction form
1,036,711.96/1,430,669.14 = 577,855.62/x - Step 3: Cross multiply
1,036,711.96x = 1,430,669.14 × 577,855.62 - Step 4: Simplify right side
1,036,711.96x = 826,720,202,909.57 - Step 5: Solve for x
x = 826,720,202,909.57/1,036,711.96 - Step 6: Final answer
x = 797,444.45
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1.5x scale
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.