Finding the Fourth Proportional to 1,127,523.80, 1,690,482.20 and 528,157.99
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Solution
The fourth proportional to 1,127,523.80, 1,690,482.20 and 528,157.99 is: 791,860.62
Step by Step Solution
- Step 1: Write the proportion equation
1,127,523.80 : 1,690,482.20 = 528,157.99 : x - Step 2: Convert to fraction form
1,127,523.80/1,690,482.20 = 528,157.99/x - Step 3: Cross multiply
1,127,523.80x = 1,690,482.20 × 528,157.99 - Step 4: Simplify right side
1,127,523.80x = 892,841,688,080.43 - Step 5: Solve for x
x = 892,841,688,080.43/1,127,523.80 - Step 6: Final answer
x = 791,860.62
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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.