Finding the Fourth Proportional to 1,265,439.09, 1,746,306.09 and 692,479.29
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Solution
The fourth proportional to 1,265,439.09, 1,746,306.09 and 692,479.29 is: 955,621.50
Step by Step Solution
- Step 1: Write the proportion equation
1,265,439.09 : 1,746,306.09 = 692,479.29 : x - Step 2: Convert to fraction form
1,265,439.09/1,746,306.09 = 692,479.29/x - Step 3: Cross multiply
1,265,439.09x = 1,746,306.09 × 692,479.29 - Step 4: Simplify right side
1,265,439.09x = 1,209,280,801,325.88 - Step 5: Solve for x
x = 1,209,280,801,325.88/1,265,439.09 - Step 6: Final answer
x = 955,621.50
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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.