Finding the Fourth Proportional to 1,338,915.70, 1,847,701.56 and 735,303.70
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Solution
The fourth proportional to 1,338,915.70, 1,847,701.56 and 735,303.70 is: 1,014,717.95
Step by Step Solution
- Step 1: Write the proportion equation
1,338,915.70 : 1,847,701.56 = 735,303.70 : x - Step 2: Convert to fraction form
1,338,915.70/1,847,701.56 = 735,303.70/x - Step 3: Cross multiply
1,338,915.70x = 1,847,701.56 × 735,303.70 - Step 4: Simplify right side
1,338,915.70x = 1,358,621,793,563.77 - Step 5: Solve for x
x = 1,358,621,793,563.77/1,338,915.70 - Step 6: Final answer
x = 1,014,717.95
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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.