Finding the Fourth Proportional to 1,118,802.70, 1,678,204.05 and 941,655.70
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Solution
The fourth proportional to 1,118,802.70, 1,678,204.05 and 941,655.70 is: 1,412,483.55
Step by Step Solution
- Step 1: Write the proportion equation
1,118,802.70 : 1,678,204.05 = 941,655.70 : x - Step 2: Convert to fraction form
1,118,802.70/1,678,204.05 = 941,655.70/x - Step 3: Cross multiply
1,118,802.70x = 1,678,204.05 × 941,655.70 - Step 4: Simplify right side
1,118,802.70x = 1,580,290,409,445.59 - Step 5: Solve for x
x = 1,580,290,409,445.59/1,118,802.70 - Step 6: Final answer
x = 1,412,483.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.