Finding the Fourth Proportional to 1,440,740.01, 1,988,297.75 and 828,985.73
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Solution
The fourth proportional to 1,440,740.01, 1,988,297.75 and 828,985.73 is: 1,144,044.34
Step by Step Solution
- Step 1: Write the proportion equation
1,440,740.01 : 1,988,297.75 = 828,985.73 : x - Step 2: Convert to fraction form
1,440,740.01/1,988,297.75 = 828,985.73/x - Step 3: Cross multiply
1,440,740.01x = 1,988,297.75 × 828,985.73 - Step 4: Simplify right side
1,440,740.01x = 1,648,270,453,872.08 - Step 5: Solve for x
x = 1,648,270,453,872.08/1,440,740.01 - Step 6: Final answer
x = 1,144,044.34
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1.5x scale
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.