Finding the Fourth Proportional to 1,221,325.80, 1,831,988.70 and 902,461.20
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Solution
The fourth proportional to 1,221,325.80, 1,831,988.70 and 902,461.20 is: 1,353,691.80
Step by Step Solution
- Step 1: Write the proportion equation
1,221,325.80 : 1,831,988.70 = 902,461.20 : x - Step 2: Convert to fraction form
1,221,325.80/1,831,988.70 = 902,461.20/x - Step 3: Cross multiply
1,221,325.80x = 1,831,988.70 × 902,461.20 - Step 4: Simplify right side
1,221,325.80x = 1,653,298,720,588.44 - Step 5: Solve for x
x = 1,653,298,720,588.44/1,221,325.80 - Step 6: Final answer
x = 1,353,691.80
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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.