Finding the Fourth Proportional to 1,457,441.24, 2,011,271.60 and 812,902.98
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Solution
The fourth proportional to 1,457,441.24, 2,011,271.60 and 812,902.98 is: 1,121,807.61
Step by Step Solution
- Step 1: Write the proportion equation
1,457,441.24 : 2,011,271.60 = 812,902.98 : x - Step 2: Convert to fraction form
1,457,441.24/2,011,271.60 = 812,902.98/x - Step 3: Cross multiply
1,457,441.24x = 2,011,271.60 × 812,902.98 - Step 4: Simplify right side
1,457,441.24x = 1,634,968,673,164.85 - Step 5: Solve for x
x = 1,634,968,673,164.85/1,457,441.24 - Step 6: Final answer
x = 1,121,807.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.