Finding the Fourth Proportional to 1,225,466.58, 1,690,453.62 and 735,309.39
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Solution
The fourth proportional to 1,225,466.58, 1,690,453.62 and 735,309.39 is: 1,014,312.79
Step by Step Solution
- Step 1: Write the proportion equation
1,225,466.58 : 1,690,453.62 = 735,309.39 : x - Step 2: Convert to fraction form
1,225,466.58/1,690,453.62 = 735,309.39/x - Step 3: Cross multiply
1,225,466.58x = 1,690,453.62 × 735,309.39 - Step 4: Simplify right side
1,225,466.58x = 1,243,006,420,145.49 - Step 5: Solve for x
x = 1,243,006,420,145.49/1,225,466.58 - Step 6: Final answer
x = 1,014,312.79
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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.