Finding the Fourth Proportional to 1,000,919.84, 1,381,263.03 and 542,027.09
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Solution
The fourth proportional to 1,000,919.84, 1,381,263.03 and 542,027.09 is: 747,993.95
Step by Step Solution
- Step 1: Write the proportion equation
1,000,919.84 : 1,381,263.03 = 542,027.09 : x - Step 2: Convert to fraction form
1,000,919.84/1,381,263.03 = 542,027.09/x - Step 3: Cross multiply
1,000,919.84x = 1,381,263.03 × 542,027.09 - Step 4: Simplify right side
1,000,919.84x = 748,681,984,128.64 - Step 5: Solve for x
x = 748,681,984,128.64/1,000,919.84 - Step 6: Final answer
x = 747,993.95
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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.