Finding the Fourth Proportional to 1,110,447.96, 1,532,389.86 and 620,421.18
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Solution
The fourth proportional to 1,110,447.96, 1,532,389.86 and 620,421.18 is: 856,165.40
Step by Step Solution
- Step 1: Write the proportion equation
1,110,447.96 : 1,532,389.86 = 620,421.18 : x - Step 2: Convert to fraction form
1,110,447.96/1,532,389.86 = 620,421.18/x - Step 3: Cross multiply
1,110,447.96x = 1,532,389.86 × 620,421.18 - Step 4: Simplify right side
1,110,447.96x = 950,727,125,161.24 - Step 5: Solve for x
x = 950,727,125,161.24/1,110,447.96 - Step 6: Final answer
x = 856,165.40
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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.