Finding the Fourth Proportional to 1,089,407.16, 1,503,472.68 and 606,063.36
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Solution
The fourth proportional to 1,089,407.16, 1,503,472.68 and 606,063.36 is: 836,417.95
Step by Step Solution
- Step 1: Write the proportion equation
1,089,407.16 : 1,503,472.68 = 606,063.36 : x - Step 2: Convert to fraction form
1,089,407.16/1,503,472.68 = 606,063.36/x - Step 3: Cross multiply
1,089,407.16x = 1,503,472.68 × 606,063.36 - Step 4: Simplify right side
1,089,407.16x = 911,199,704,109.01 - Step 5: Solve for x
x = 911,199,704,109.01/1,089,407.16 - Step 6: Final answer
x = 836,417.95
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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.