Finding the Fourth Proportional to 1,282,745.08, 1,924,781.55 and 930,665.08
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Solution
The fourth proportional to 1,282,745.08, 1,924,781.55 and 930,665.08 is: 1,396,479.32
Step by Step Solution
- Step 1: Write the proportion equation
1,282,745.08 : 1,924,781.55 = 930,665.08 : x - Step 2: Convert to fraction form
1,282,745.08/1,924,781.55 = 930,665.08/x - Step 3: Cross multiply
1,282,745.08x = 1,924,781.55 × 930,665.08 - Step 4: Simplify right side
1,282,745.08x = 1,791,326,975,213.27 - Step 5: Solve for x
x = 1,791,326,975,213.27/1,282,745.08 - Step 6: Final answer
x = 1,396,479.32
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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.