Finding the Fourth Proportional to 1,286,076.62, 1,929,547.11 and 902,225.54
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Solution
The fourth proportional to 1,286,076.62, 1,929,547.11 and 902,225.54 is: 1,353,641.50
Step by Step Solution
- Step 1: Write the proportion equation
1,286,076.62 : 1,929,547.11 = 902,225.54 : x - Step 2: Convert to fraction form
1,286,076.62/1,929,547.11 = 902,225.54/x - Step 3: Cross multiply
1,286,076.62x = 1,929,547.11 × 902,225.54 - Step 4: Simplify right side
1,286,076.62x = 1,740,886,683,275.19 - Step 5: Solve for x
x = 1,740,886,683,275.19/1,286,076.62 - Step 6: Final answer
x = 1,353,641.50
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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.