Finding the Fourth Proportional to 1,286,070.12, 1,929,537.36 and 902,219.04
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Solution
The fourth proportional to 1,286,070.12, 1,929,537.36 and 902,219.04 is: 1,353,631.75
Step by Step Solution
- Step 1: Write the proportion equation
1,286,070.12 : 1,929,537.36 = 902,219.04 : x - Step 2: Convert to fraction form
1,286,070.12/1,929,537.36 = 902,219.04/x - Step 3: Cross multiply
1,286,070.12x = 1,929,537.36 × 902,219.04 - Step 4: Simplify right side
1,286,070.12x = 1,740,865,344,583.33 - Step 5: Solve for x
x = 1,740,865,344,583.33/1,286,070.12 - Step 6: Final answer
x = 1,353,631.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.