Finding the Fourth Proportional to 1,284,281.19, 1,924,929.77 and 485,054.19
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Solution
The fourth proportional to 1,284,281.19, 1,924,929.77 and 485,054.19 is: 727,017.77
Step by Step Solution
- Step 1: Write the proportion equation
1,284,281.19 : 1,924,929.77 = 485,054.19 : x - Step 2: Convert to fraction form
1,284,281.19/1,924,929.77 = 485,054.19/x - Step 3: Cross multiply
1,284,281.19x = 1,924,929.77 × 485,054.19 - Step 4: Simplify right side
1,284,281.19x = 933,695,247,968.97 - Step 5: Solve for x
x = 933,695,247,968.97/1,284,281.19 - Step 6: Final answer
x = 727,017.77
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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.