Finding the Fourth Proportional to 1,030,855.68, 1,422,658.76 and 572,057.12
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Solution
The fourth proportional to 1,030,855.68, 1,422,658.76 and 572,057.12 is: 789,482.07
Step by Step Solution
- Step 1: Write the proportion equation
1,030,855.68 : 1,422,658.76 = 572,057.12 : x - Step 2: Convert to fraction form
1,030,855.68/1,422,658.76 = 572,057.12/x - Step 3: Cross multiply
1,030,855.68x = 1,422,658.76 × 572,057.12 - Step 4: Simplify right side
1,030,855.68x = 813,842,072,988.37 - Step 5: Solve for x
x = 813,842,072,988.37/1,030,855.68 - Step 6: Final answer
x = 789,482.07
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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.